diff --git a/erc20/Cargo.lock b/erc20/Cargo.lock
index 9367a1a..608a6d9 100644
--- a/erc20/Cargo.lock
+++ b/erc20/Cargo.lock
@@ -71,7 +71,7 @@ checksum = "790b76807d64788758208757b0a17970bf756cb7c392f55b1a22021a34f95991"
 dependencies = [
  "casper-types",
  "hex_fmt",
-# "wee_alloc",
+ "wee_alloc",
 ]
 
 [[package]]
@@ -648,17 +648,17 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
-#[[package]]
-#name = "wee_alloc"
-#version = "0.4.5"
-#source = "registry+https://github.com/rust-lang/crates.io-index"
-#checksum = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
-#dependencies = [
-# "cfg-if 0.1.10",
-# "libc",
-# "memory_units",
-# "winapi",
-#]
+[[package]]
+name = "wee_alloc"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
+dependencies = [
+ "cfg-if 0.1.10",
+ "libc",
+ "memory_units",
+ "winapi",
+]
 
 [[package]]
 name = "winapi"
diff --git a/staking_contract/staking_contract/Cargo.lock b/staking_contract/staking_contract/Cargo.lock
index 6120c15..504db5b 100644
--- a/staking_contract/staking_contract/Cargo.lock
+++ b/staking_contract/staking_contract/Cargo.lock
@@ -57,34 +57,27 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "bumpalo"
-version = "3.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b1ce199063694f33ffb7dd4e0ee620741495c32833cde5aa08f02a0bf96f0c8"
-
 [[package]]
 name = "byteorder"
-version = "1.4.3"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "casper-contract"
-version = "1.4.4"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "790b76807d64788758208757b0a17970bf756cb7c392f55b1a22021a34f95991"
+checksum = "4243fe64dad13cfbc610a11b72587f5cebcc7578db057be19a8a67d75d64f947"
 dependencies = [
  "casper-types",
  "hex_fmt",
- # "wee_alloc",
 ]
 
 [[package]]
 name = "casper-types"
-version = "1.5.0"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a13e82a13d1784104fd021a38da56c69da94e84b26b03c2cf3d8da3895a16c8c"
+checksum = "1d65faf6ea346ce733206a51822cb4da2a76cee29308b0ee4c1f3cba756bdee5"
 dependencies = [
  "base16",
  "base64",
@@ -106,12 +99,6 @@ dependencies = [
  "uint",
 ]
 
-[[package]]
-name = "cfg-if"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -129,9 +116,9 @@ dependencies = [
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.7"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e4c1eaa2012c47becbbad2ab175484c2a84d1185b566fb2cc5b8707343dfe58"
+checksum = "ce420fe07aecd3e67c5f910618fe65e94158f6dcc0adf44e00d69ce2bdfe0fd0"
 dependencies = [
  "libc",
 ]
@@ -261,19 +248,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "getrandom"
-version = "0.2.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c85e1d9ab2eadba7e5040d4e09cbd6d072b76a557ad64e797c2cb9d4da21d7e4"
-dependencies = [
- "cfg-if 1.0.0",
- "js-sys",
- "libc",
- "wasi",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "group"
 version = "0.8.0"
@@ -309,18 +283,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
-
-[[package]]
-name = "js-sys"
-version = "0.3.61"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "445dde2150c55e483f3d8416706b97ec8e8237c307e5b7b4b8dd15e6af2a0730"
-dependencies = [
- "wasm-bindgen",
-]
+checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "k256"
@@ -328,37 +293,23 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4476a0808212a9e81ce802eb1a0cfc60e73aea296553bacc0fac7e1268bc572a"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
  "ecdsa",
  "elliptic-curve",
+ "sha2",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.142"
+version = "0.2.149"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a987beff54b60ffa6d51982e1aa1146bc42f19bd26be28b0586f252fccf5317"
-
-[[package]]
-name = "log"
-version = "0.4.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
-dependencies = [
- "cfg-if 1.0.0",
-]
-
-[[package]]
-name = "memory_units"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8452105ba047068f40ff7093dd1d9da90898e63dd61736462e9cdda6a90ad3c3"
+checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
 
 [[package]]
 name = "num"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43db66d1170d347f9a065114077f7dccb00c1b9478c89384490a3425279a4606"
+checksum = "b05180d69e3da0e530ba2a1dae5110317e49e3b7f3d41be227dc5f92e49ee7af"
 dependencies = [
  "num-bigint",
  "num-complex",
@@ -370,9 +321,9 @@ dependencies = [
 
 [[package]]
 name = "num-bigint"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f93ab6289c7b344a8a9f60f88d80aa20032336fe78da341afc91c8a2341fc75f"
+checksum = "608e7659b5c3d7cba262d894801b9ec9d00de989e8a82bd4bef91d08da45cdc0"
 dependencies = [
  "autocfg",
  "num-integer",
@@ -381,9 +332,9 @@ dependencies = [
 
 [[package]]
 name = "num-complex"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02e0d21255c828d6f128a1e41534206671e8c3ea0c62f32291e808dc82cff17d"
+checksum = "1ba157ca0885411de85d6ca030ba7e2a83a28636056c7c699b07c8b6f7383214"
 dependencies = [
  "num-traits",
 ]
@@ -434,19 +385,13 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "once_cell"
-version = "1.17.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
-
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
@@ -461,18 +406,18 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -536,44 +481,44 @@ dependencies = [
 
 [[package]]
 name = "ryu"
-version = "1.0.13"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
+checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.190"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "91d3c334ca1ee894a2c6f6ad698fe8c435b76d504b13d436f0685d648d6d96f7"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_bytes"
-version = "0.11.9"
+version = "0.11.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "416bda436f9aab92e02c8e10d49a15ddd339cea90b6e340fe51ed97abb548294"
+checksum = "ab33ec92f677585af6d88c65593ae2375adde54efdbf16d597f2cbc7a6d368ff"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.190"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "67c5609f394e5c2bd7fc51efda478004ea80ef42fee983d5c67a65e34f32c0e3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.38",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.96"
+version = "1.0.107"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
+checksum = "6b420ce6e3d8bd882e9b243c6eed35dbc9a6110c9769e74b584e0d68d1f20c65"
 dependencies = [
  "itoa",
  "ryu",
@@ -587,7 +532,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
 dependencies = [
  "block-buffer",
- "cfg-if 1.0.0",
+ "cfg-if",
  "cpufeatures",
  "digest",
  "opaque-debug",
@@ -610,7 +555,6 @@ dependencies = [
  "casper-contract",
  "casper-types",
  "contract-utils",
- "getrandom",
  "hex",
 ]
 
@@ -639,9 +583,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "e96b79aaa137db8f61e26363a0c9b47d8b4ec75da28b7d1d614c2303e232408b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -650,9 +594,9 @@ dependencies = [
 
 [[package]]
 name = "typenum"
-version = "1.16.0"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
 [[package]]
 name = "uint"
@@ -668,9 +612,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.8"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
 [[package]]
 name = "version_check"
@@ -678,100 +622,6 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
-[[package]]
-name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
-
-[[package]]
-name = "wasm-bindgen"
-version = "0.2.84"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31f8dcbc21f30d9b8f2ea926ecb58f6b91192c17e9d33594b3df58b2007ca53b"
-dependencies = [
- "cfg-if 1.0.0",
- "wasm-bindgen-macro",
-]
-
-[[package]]
-name = "wasm-bindgen-backend"
-version = "0.2.84"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95ce90fd5bcc06af55a641a86428ee4229e44e07033963a2290a8e241607ccb9"
-dependencies = [
- "bumpalo",
- "log",
- "once_cell",
- "proc-macro2",
- "quote",
- "syn 1.0.109",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-macro"
-version = "0.2.84"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c21f77c0bedc37fd5dc21f897894a5ca01e7bb159884559461862ae90c0b4c5"
-dependencies = [
- "quote",
- "wasm-bindgen-macro-support",
-]
-
-[[package]]
-name = "wasm-bindgen-macro-support"
-version = "0.2.84"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2aff81306fcac3c7515ad4e177f521b5c9a15f2b08f4e32d823066102f35a5f6"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
- "wasm-bindgen-backend",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-shared"
-version = "0.2.84"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0046fef7e28c3804e5e38bfa31ea2a0f73905319b677e57ebe37e49358989b5d"
-
-#[[package]]
-#name = "wee_alloc"
-#version = "0.4.5"
-#source = "registry+https://github.com/rust-lang/crates.io-index"
-#checksum = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
-#dependencies = [
-# "cfg-if 0.1.10",
-# "libc",
-# "memory_units",
-# "winapi",
-#]
-
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
 [[package]]
 name = "wyz"
 version = "0.2.0"
@@ -795,5 +645,5 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.38",
 ]
diff --git a/staking_contract/staking_contract/Cargo.toml b/staking_contract/staking_contract/Cargo.toml
index b72659b..1c68055 100644
--- a/staking_contract/staking_contract/Cargo.toml
+++ b/staking_contract/staking_contract/Cargo.toml
@@ -4,11 +4,11 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-hex = "0.4.3"
-casper-contract = "1.4.4"
-casper-types = "=1.5.0"
+hex = { version = "0.4.3", default-features = false }
+casper-contract = { version = "3.0.0", default-features = false }
+casper-types = { version = "3.0.0", default-features = false }
+
 contract-utils = { path = "../utils/contract-utils" }
-getrandom = {version = "*", features = ["js"]}
 
 [[bin]]
 name = "staking_contract"
@@ -18,9 +18,5 @@ doctest = false
 test = false
 
 [profile.release]
-# codegen-units = 1
-# lto = true
-
-[features]
-default = ["std"]
-std = ["casper-contract/std", "casper-types/std"]
\ No newline at end of file
+codegen-units = 1
+lto = true
diff --git a/staking_contract/staking_contract_tests/Cargo.lock b/staking_contract/staking_contract_tests/Cargo.lock
index f9d966b..1679166 100644
--- a/staking_contract/staking_contract_tests/Cargo.lock
+++ b/staking_contract/staking_contract_tests/Cargo.lock
@@ -2,11 +2,26 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anyhow"
-version = "1.0.58"
+version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb07d2053ccdbe10e2af2995a2f116c1330396493dc1269f6a91d0ae82e19704"
+checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
 [[package]]
 name = "autocfg"
@@ -22,9 +37,9 @@ checksum = "d27c3610c36aee21ce8ac510e6224498de4228ad772a171ed65643a24693a5a8"
 
 [[package]]
 name = "base64"
-version = "0.13.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "bincode"
@@ -37,9 +52,9 @@ dependencies = [
 
 [[package]]
 name = "bit-set"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e11e16035ea35e4e5997b393eacbf6f63983188f7a2ad25bfb13465f5ad59de"
+checksum = "0700ddab506f33b20a03b13996eccd309a48e5ff77d0d95926aa0210fb4e95f1"
 dependencies = [
  "bit-vec",
 ]
@@ -56,6 +71,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
+
 [[package]]
 name = "bitvec"
 version = "0.18.5"
@@ -87,21 +108,26 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
+
 [[package]]
 name = "byteorder"
-version = "1.4.3"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "casper-contract"
-version = "1.4.4"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "790b76807d64788758208757b0a17970bf756cb7c392f55b1a22021a34f95991"
+checksum = "4243fe64dad13cfbc610a11b72587f5cebcc7578db057be19a8a67d75d64f947"
 dependencies = [
- "casper-types",
+ "casper-types 3.0.0",
  "hex_fmt",
- #"wee_alloc",
 ]
 
 [[package]]
@@ -112,7 +138,7 @@ checksum = "5917452bb3294b982e01b13b80498b4beb639c79bb5842654483fd7677fa6310"
 dependencies = [
  "casper-execution-engine",
  "casper-hashing",
- "casper-types",
+ "casper-types 1.5.0",
  "filesize",
  "lmdb",
  "log",
@@ -125,15 +151,15 @@ dependencies = [
 
 [[package]]
 name = "casper-execution-engine"
-version = "2.0.0"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9aaaef386bf318fe6b6f832ec5e0230a7236b6d553b1ed937ed26e15b81df255"
+checksum = "a25d8e4ab262aa43d0fece3b3ca6ae7e40dd50e5b6a1c16d6e7104556b6f8674"
 dependencies = [
  "anyhow",
  "base16",
  "bincode",
  "casper-hashing",
- "casper-types",
+ "casper-types 1.5.0",
  "chrono",
  "datasize",
  "hex-buffer-serde 0.2.2",
@@ -168,13 +194,13 @@ dependencies = [
 
 [[package]]
 name = "casper-hashing"
-version = "1.4.3"
+version = "1.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5af18f77cbabac69777333e0551accf1cd403995706953d4dabc56d7b56667a8"
+checksum = "8f51474856233388910920a6392b5ff19c6dfba2d001b17118cac9bf43667397"
 dependencies = [
  "base16",
  "blake2",
- "casper-types",
+ "casper-types 2.0.0",
  "datasize",
  "hex",
  "hex-buffer-serde 0.3.0",
@@ -192,7 +218,7 @@ checksum = "a13e82a13d1784104fd021a38da56c69da94e84b26b03c2cf3d8da3895a16c8c"
 dependencies = [
  "base16",
  "base64",
- "bitflags",
+ "bitflags 1.3.2",
  "blake2",
  "datasize",
  "ed25519-dalek",
@@ -215,16 +241,65 @@ dependencies = [
 ]
 
 [[package]]
-name = "cc"
-version = "1.0.73"
+name = "casper-types"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+checksum = "0e40fa172ff619ae56b2d3c6feb3e941a07fc64c0c73b913621ab0b2808cad80"
+dependencies = [
+ "base16",
+ "base64",
+ "bitflags 1.3.2",
+ "blake2",
+ "ed25519-dalek",
+ "hex",
+ "hex_fmt",
+ "k256",
+ "num",
+ "num-derive",
+ "num-integer",
+ "num-rational 0.4.1",
+ "num-traits",
+ "rand 0.8.5",
+ "serde",
+ "serde_bytes",
+ "serde_json",
+ "uint",
+]
 
 [[package]]
-name = "cfg-if"
-version = "0.1.10"
+name = "casper-types"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d65faf6ea346ce733206a51822cb4da2a76cee29308b0ee4c1f3cba756bdee5"
+dependencies = [
+ "base16",
+ "base64",
+ "bitflags 1.3.2",
+ "blake2",
+ "ed25519-dalek",
+ "hex",
+ "hex_fmt",
+ "k256",
+ "num",
+ "num-derive",
+ "num-integer",
+ "num-rational 0.4.1",
+ "num-traits",
+ "rand 0.8.5",
+ "serde",
+ "serde_bytes",
+ "serde_json",
+ "uint",
+]
+
+[[package]]
+name = "cc"
+version = "1.0.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
+dependencies = [
+ "libc",
+]
 
 [[package]]
 name = "cfg-if"
@@ -234,15 +309,16 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.19"
+version = "0.4.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
 dependencies = [
- "libc",
- "num-integer",
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
  "num-traits",
- "time",
- "winapi",
+ "wasm-bindgen",
+ "windows-targets",
 ]
 
 [[package]]
@@ -250,15 +326,21 @@ name = "contract-utils"
 version = "0.1.0"
 dependencies = [
  "casper-contract",
- "casper-types",
+ "casper-types 3.0.0",
  "hex",
 ]
 
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
+
 [[package]]
 name = "cpufeatures"
-version = "0.2.2"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59a6001667ab124aebae2a495118e11d30984c3a653e99d86d58971708cf5e4b"
+checksum = "ce420fe07aecd3e67c5f910618fe65e94158f6dcc0adf44e00d69ce2bdfe0fd0"
 dependencies = [
  "libc",
 ]
@@ -289,16 +371,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "ctor"
-version = "0.1.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f877be4f7c9f246b183111634f75baa039715e3f46ce860677d3b19a69fb229c"
-dependencies = [
- "quote",
- "syn",
-]
-
 [[package]]
 name = "curve25519-dalek"
 version = "3.2.1"
@@ -314,22 +386,22 @@ dependencies = [
 
 [[package]]
 name = "datasize"
-version = "0.2.10"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2cdaf1625dae32ea757a4a98e6f59496bb4fe80a41efb0bd57e631f6cb341770"
+checksum = "e65c07d59e45d77a8bda53458c24a828893a99ac6cdd9c84111e09176ab739a2"
 dependencies = [
  "datasize_derive",
 ]
 
 [[package]]
 name = "datasize_derive"
-version = "0.2.10"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1065db16e6dad1cfa0f50966d8405bb9f6d13f74f34d685b417f301cb32f1d86"
+checksum = "613e4ee15899913285b7612004bbd490abd605be7b11d35afada5902fb6b91d5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -349,9 +421,9 @@ checksum = "9ea835d29036a4087793836fa931b08837ad5e957da9e23886b29586fb9b6650"
 
 [[package]]
 name = "dyn-clone"
-version = "1.0.6"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "140206b78fb2bc3edbcfc9b5ccbd0b30699cfe8d348b8b31b330e47df5291a5a"
+checksum = "23d2f3407d9a573d666de4b5bdf10569d73ca9478087346697dcbae6244bfbcd"
 
 [[package]]
 name = "ecdsa"
@@ -388,9 +460,9 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.7.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f107b87b6afc2a64fd13cac55fe06d6c8859f12d4b14cbcdd2c67d0976781be"
+checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
 
 [[package]]
 name = "elliptic-curve"
@@ -410,14 +482,21 @@ dependencies = [
 ]
 
 [[package]]
-name = "fastrand"
-version = "1.7.0"
+name = "errno"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3fcf0cee53519c866c09b5de1f6c56ff9d647101f81c1964fa632e148896cdf"
+checksum = "ac3e13f66a2f95e32a39eaa81f6b95d42878ca0e1db0c7543723dfe12557e860"
 dependencies = [
- "instant",
+ "libc",
+ "windows-sys",
 ]
 
+[[package]]
+name = "fastrand"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5"
+
 [[package]]
 name = "ff"
 version = "0.8.0"
@@ -452,9 +531,9 @@ checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
 
 [[package]]
 name = "generic-array"
-version = "0.14.5"
+version = "0.14.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd48d33ec7f05fbfa152300fdad764757cbded343c1aa1cff2fbaf4134851803"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
 dependencies = [
  "typenum",
  "version_check",
@@ -462,13 +541,13 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.7"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4eb1a864a501629691edf6c15a593b7a51eebaa1e8468e9ddc623de7c9b58ec6"
+checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -484,18 +563,15 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.12.1"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db0d4cf898abf0081f964436dc980e96670a0f36863e4b83aaacdb65c9d7ccc3"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.19"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
-dependencies = [
- "libc",
-]
+checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
 
 [[package]]
 name = "hex"
@@ -554,39 +630,62 @@ dependencies = [
 ]
 
 [[package]]
-name = "indexmap"
-version = "1.9.1"
+name = "iana-time-zone"
+version = "0.1.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10a35a97730320ffe8e2d410b5d3b69279b98d2c14bdb8b70ea89ecf7888d41e"
+checksum = "8326b86b6cff230b97d0d312a6c40a60726df3332e721f72a1b035f451663b20"
 dependencies = [
- "autocfg",
- "hashbrown",
- "serde",
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core",
 ]
 
 [[package]]
-name = "instant"
-version = "0.1.12"
+name = "iana-time-zone-haiku"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
 dependencies = [
- "cfg-if 1.0.0",
+ "cc",
+]
+
+[[package]]
+name = "indexmap"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+dependencies = [
+ "autocfg",
+ "hashbrown",
+ "serde",
 ]
 
 [[package]]
 name = "itertools"
-version = "0.10.3"
+version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9a9d19fa1e79b6215ff29b9d6880b706147f16e9b1dbb1e4e5947b5b02bc5e3"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
 dependencies = [
  "either",
 ]
 
 [[package]]
 name = "itoa"
-version = "1.0.2"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d"
+checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
+
+[[package]]
+name = "js-sys"
+version = "0.3.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5f195fe497f702db0f318b07fdd68edb16955aed830df8363d837542f8f935a"
+dependencies = [
+ "wasm-bindgen",
+]
 
 [[package]]
 name = "k256"
@@ -594,9 +693,10 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4476a0808212a9e81ce802eb1a0cfc60e73aea296553bacc0fac7e1268bc572a"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
  "ecdsa",
  "elliptic-curve",
+ "sha2",
 ]
 
 [[package]]
@@ -607,9 +707,15 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.126"
+version = "0.2.149"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
+
+[[package]]
+name = "libm"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
 
 [[package]]
 name = "linked-hash-map"
@@ -617,13 +723,19 @@ version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da2479e8c062e40bf0066ffa0bc823de0a9368974af99c9f6df941d2c231e03f"
+
 [[package]]
 name = "lmdb"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b0908efb5d6496aa977d96f91413da2635a902e5e31dbef0bfb88986c248539"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "libc",
  "lmdb-sys",
 ]
@@ -641,11 +753,10 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.17"
+version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
+checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 dependencies = [
- "cfg-if 1.0.0",
  "serde",
  "value-bag",
 ]
@@ -662,19 +773,13 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71d96e3f3c0b6325d8ccd83c33b28acb183edcb6c67938ba104ec546854b0882"
 
-[[package]]
-name = "memory_units"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8452105ba047068f40ff7093dd1d9da90898e63dd61736462e9cdda6a90ad3c3"
-
 [[package]]
 name = "num"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43db66d1170d347f9a065114077f7dccb00c1b9478c89384490a3425279a4606"
+checksum = "b05180d69e3da0e530ba2a1dae5110317e49e3b7f3d41be227dc5f92e49ee7af"
 dependencies = [
- "num-bigint 0.4.3",
+ "num-bigint 0.4.4",
  "num-complex",
  "num-integer",
  "num-iter",
@@ -695,9 +800,9 @@ dependencies = [
 
 [[package]]
 name = "num-bigint"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f93ab6289c7b344a8a9f60f88d80aa20032336fe78da341afc91c8a2341fc75f"
+checksum = "608e7659b5c3d7cba262d894801b9ec9d00de989e8a82bd4bef91d08da45cdc0"
 dependencies = [
  "autocfg",
  "num-integer",
@@ -706,9 +811,9 @@ dependencies = [
 
 [[package]]
 name = "num-complex"
-version = "0.4.2"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ae39348c8bc5fbd7f40c727a9925f03517afd2ab27d46702108b6a7e5414c19"
+checksum = "1ba157ca0885411de85d6ca030ba7e2a83a28636056c7c699b07c8b6f7383214"
 dependencies = [
  "num-traits",
 ]
@@ -721,7 +826,7 @@ checksum = "876a53fff98e03a936a674b29568b0e605f06b29372c2489ff4de23f1949743d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -764,7 +869,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0638a1c9d0a3c0914158145bc76cff373a75a627e6ecbfb71cbe6f453a5a19b0"
 dependencies = [
  "autocfg",
- "num-bigint 0.4.3",
+ "num-bigint 0.4.4",
  "num-integer",
  "num-traits",
  "serde",
@@ -772,18 +877,19 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
+ "libm",
 ]
 
 [[package]]
 name = "num_cpus"
-version = "1.13.1"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1"
+checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
 dependencies = [
  "hermit-abi",
  "libc",
@@ -791,9 +897,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.17.2"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9670a07f94779e00908f3e686eab508878ebb390ba6e604d3a284c00e8d0487b"
+checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
 [[package]]
 name = "opaque-debug"
@@ -809,49 +915,49 @@ checksum = "ddfc878dac00da22f8f61e7af3157988424567ab01d9920b962ef7dcbd7cd865"
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.9"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
+checksum = "8afb450f006bf6385ca15ef45d71d2288452bc3683ce2e2cacc0d18e4be60b58"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.25"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
+checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.16"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.40"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd96a1e8ed2596c337f8eae5f24924ec83f5ad5ab21ea8e455d3566c69fbcaf7"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "proptest"
-version = "1.0.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0d9cc07f18492d879586c92b485def06bc850da3118075cd45d50e9c95b0e5"
+checksum = "7c003ac8c77cb07bb74f5f198bce836a689bcd5a42574612bf14d17bfd08c20e"
 dependencies = [
  "bit-set",
- "bitflags",
- "byteorder",
+ "bit-vec",
+ "bitflags 2.4.1",
  "lazy_static",
  "num-traits",
- "quick-error 2.0.1",
  "rand 0.8.5",
  "rand_chacha 0.3.1",
  "rand_xorshift",
  "regex-syntax",
  "rusty-fork",
  "tempfile",
+ "unarray",
 ]
 
 [[package]]
@@ -871,17 +977,11 @@ version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
-[[package]]
-name = "quick-error"
-version = "2.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a993555f31e5a609f617c12db6250dedcac1b0a85076912c436e6fc9b2c8e6a3"
-
 [[package]]
 name = "quote"
-version = "1.0.20"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3bcdf212e9776fbcb2d23ab029360416bb1706b1aea2d1a5ba002727cbcab804"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -911,7 +1011,7 @@ checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha 0.3.1",
- "rand_core 0.6.3",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -931,7 +1031,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.3",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -942,9 +1042,9 @@ checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 
 [[package]]
 name = "rand_core"
-version = "0.6.3"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
  "getrandom",
 ]
@@ -964,31 +1064,35 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d25bf25ec5ae4a3f1b92f929810509a2f53d7dca2f50b794ff57e3face536c8f"
 dependencies = [
- "rand_core 0.6.3",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.13"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62f25bc4c7e55e0b0b7a1d43fb893f4fa1361d0abe38b9ce4f323c2adfe6ef42"
+checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.27"
+version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3f87b73ce11b1619a3c6332f45341e0047173771e8b8b73f87bfeefb7b56244"
+checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da"
 
 [[package]]
-name = "remove_dir_all"
-version = "0.5.3"
+name = "rustix"
+version = "0.38.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+checksum = "2b426b0506e5d50a7d8dafcf2e81471400deb602392c7dd110815afb4eaf02a3"
 dependencies = [
- "winapi",
+ "bitflags 2.4.1",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
 ]
 
 [[package]]
@@ -998,16 +1102,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cb3dcc6e454c328bb824492db107ab7c0ae8fcffe4ad210136ef014458c1bc4f"
 dependencies = [
  "fnv",
- "quick-error 1.2.3",
+ "quick-error",
  "tempfile",
  "wait-timeout",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.10"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3f6f92acf49d1b98f7a81226834412ada05458b7364277387724a237f062695"
+checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
 
 [[package]]
 name = "schemars"
@@ -1031,36 +1135,36 @@ dependencies = [
  "proc-macro2",
  "quote",
  "serde_derive_internals",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
 name = "serde"
-version = "1.0.138"
+version = "1.0.190"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1578c6245786b9d168c5447eeacfb96856573ca56c9d68fdcf394be134882a47"
+checksum = "91d3c334ca1ee894a2c6f6ad698fe8c435b76d504b13d436f0685d648d6d96f7"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_bytes"
-version = "0.11.6"
+version = "0.11.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "212e73464ebcde48d723aa02eb270ba62eff38a9b732df31f33f1b4e145f3a54"
+checksum = "ab33ec92f677585af6d88c65593ae2375adde54efdbf16d597f2cbc7a6d368ff"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.138"
+version = "1.0.190"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "023e9b1467aef8a10fb88f25611870ada9800ef7e22afce356bb0d2387b6f27c"
+checksum = "67c5609f394e5c2bd7fc51efda478004ea80ef42fee983d5c67a65e34f32c0e3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.38",
 ]
 
 [[package]]
@@ -1071,14 +1175,14 @@ checksum = "1dbab34ca63057a1f15280bdf3c39f2b1eb1b54c17e98360e511637aef7418c6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.82"
+version = "1.0.107"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82c2c1fdcd807d1098552c5b9a36e425e42e9fbd7c6a37a8425f390f781f7fa7"
+checksum = "6b420ce6e3d8bd882e9b243c6eed35dbc9a6110c9769e74b584e0d68d1f20c65"
 dependencies = [
  "itoa",
  "ryu",
@@ -1092,7 +1196,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
 dependencies = [
  "block-buffer",
- "cfg-if 1.0.0",
+ "cfg-if",
  "cpufeatures",
  "digest",
  "opaque-debug",
@@ -1118,7 +1222,7 @@ dependencies = [
  "casper-engine-test-support",
  "casper-execution-engine",
  "casper-hashing",
- "casper-types",
+ "casper-types 3.0.0",
  "contract-utils",
  "hex",
  "once_cell",
@@ -1139,9 +1243,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.98"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c50aef8a904de4c23c788f104b7dddc7d6f79c647c7c8ce4cc8f73eb0ca773dd"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1149,29 +1253,27 @@ dependencies = [
 ]
 
 [[package]]
-name = "synstructure"
-version = "0.12.6"
+name = "syn"
+version = "2.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
+checksum = "e96b79aaa137db8f61e26363a0c9b47d8b4ec75da28b7d1d614c2303e232408b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
 name = "tempfile"
-version = "3.3.0"
+version = "3.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cdb1ef4eaeeaddc8fbd371e5017057064af0911902ef36b39801f67cc6d79e4"
+checksum = "7ef1adac450ad7f4b3c28589471ade84f25f731a7a0fe30d71dfa9f60fd808e5"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
  "fastrand",
- "libc",
  "redox_syscall",
- "remove_dir_all",
- "winapi",
+ "rustix",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1181,47 +1283,35 @@ dependencies = [
  "casper-contract",
  "casper-engine-test-support",
  "casper-execution-engine",
- "casper-types",
+ "casper-types 3.0.0",
 ]
 
 [[package]]
 name = "thiserror"
-version = "1.0.31"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd829fe32373d27f76265620b5309d0340cb8550f523c1dda251d6298069069a"
+checksum = "f9a7210f5c9a7156bb50aa36aed4c95afb51df0df00713949448cf9e97d382d2"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.31"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
+checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
-]
-
-[[package]]
-name = "time"
-version = "0.1.44"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
-dependencies = [
- "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi",
+ "syn 2.0.38",
 ]
 
 [[package]]
 name = "tracing"
-version = "0.1.35"
+version = "0.1.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a400e31aa60b9d44a52a8ee0343b5b18566b03a8321e0d321f695cf56e940160"
+checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
- "cfg-if 1.0.0",
  "pin-project-lite",
  "tracing-attributes",
  "tracing-core",
@@ -1229,35 +1319,35 @@ dependencies = [
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.22"
+version = "0.1.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11c75893af559bc8e10716548bdef5cb2b983f8e637db9d0e15126b61b484ee2"
+checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.38",
 ]
 
 [[package]]
 name = "tracing-core"
-version = "0.1.28"
+version = "0.1.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b7358be39f2f274f322d2aaed611acc57f382e8eb1e5b48cb9ae30933495ce7"
+checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
 dependencies = [
  "once_cell",
 ]
 
 [[package]]
 name = "typenum"
-version = "1.15.0"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
 [[package]]
 name = "uint"
-version = "0.9.3"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12f03af7ccf01dd611cc450a0d10dbc9b745770d096473e2faf0ca6e2d66d1e0"
+checksum = "76f64bba2c53b04fcab63c01a7d7427eadc821e3bc48c34dc9ba29c501164b52"
 dependencies = [
  "byteorder",
  "crunchy",
@@ -1266,16 +1356,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "unicode-ident"
-version = "1.0.1"
+name = "unarray"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5bd2fe26506023ed7b5e1e315add59d6f584c621d037f9368fea9cfb988f368c"
+checksum = "eaea85b334db583fe3274d12b4cd1880032beab409c0d774be044d4480ab9a94"
 
 [[package]]
-name = "unicode-xid"
-version = "0.2.3"
+name = "unicode-ident"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "957e51f3646910546462e67d5f7599b9e4fb8acdd304b087a6494730f9eebf04"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
 [[package]]
 name = "uuid"
@@ -1289,13 +1379,9 @@ dependencies = [
 
 [[package]]
 name = "value-bag"
-version = "1.0.0-alpha.9"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2209b78d1249f7e6f3293657c9779fe31ced465df091bbd433a1cf88e916ec55"
-dependencies = [
- "ctor",
- "version_check",
-]
+checksum = "4a72e1902dde2bd6441347de2b70b7f5d59bf157c6c62f0c44572607a1d55bbe"
 
 [[package]]
 name = "version_check"
@@ -1314,15 +1400,63 @@ dependencies = [
 
 [[package]]
 name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
+version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
-name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
+name = "wasm-bindgen"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+checksum = "7706a72ab36d8cb1f80ffbf0e071533974a60d0a308d01a5d0375bf60499a342"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.87"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ef2b6d3c510e9625e5fe6f509ab07d66a760f0885d858736483c32ed7809abd"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.38",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.87"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dee495e55982a3bd48105a7b947fd2a9b4a8ae3010041b9e0faab3f9cd028f1d"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.87"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.38",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.87"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
 
 [[package]]
 name = "wasmi"
@@ -1332,7 +1466,7 @@ checksum = "5ad7e265153e1010a73e595eef3e2fd2a1fd644ba4e2dd3af4dd6bd7ec692342"
 dependencies = [
  "downcast-rs",
  "libc",
- "memory_units 0.3.0",
+ "memory_units",
  "num-rational 0.2.4",
  "num-traits",
  "parity-wasm",
@@ -1348,18 +1482,6 @@ dependencies = [
  "parity-wasm",
 ]
 
-#[[package]]
-#name = "wee_alloc"
-#version = "0.4.5"
-#source = "registry+https://github.com/rust-lang/crates.io-index"
-#checksum = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
-#dependencies = [
-# "cfg-if 0.1.10",
-# "libc",
-# "memory_units 0.4.0",
-# "winapi",
-#]
-
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -1382,6 +1504,81 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-core"
+version = "0.51.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1f8cf84f35d2db49a46868f947758c7a1138116f7fac3bc844f43ade1292e64"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
 [[package]]
 name = "wyz"
 version = "0.2.0"
@@ -1399,12 +1596,11 @@ dependencies = [
 
 [[package]]
 name = "zeroize_derive"
-version = "1.3.2"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f8f187641dad4f680d25c4bfc4225b418165984179f26ca76ec4fb6441d3a17"
+checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
- "synstructure",
+ "syn 2.0.38",
 ]
diff --git a/staking_contract/staking_contract_tests/Cargo.toml b/staking_contract/staking_contract_tests/Cargo.toml
index 8c49ba8..658fcf9 100644
--- a/staking_contract/staking_contract_tests/Cargo.toml
+++ b/staking_contract/staking_contract_tests/Cargo.toml
@@ -6,11 +6,11 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-casper-contract = { version = "1.4.3", default-features = false, features = ["test-support"] }
+casper-contract = { version = "3.0.0", default-features = false }
+casper-types = { version = "3.0.0", default-features = false }
 casper-engine-test-support = { version = "2.2.0", features = ["test-support"] }
 casper-execution-engine = "2.0.0"
-casper-types = "1.5.0"
-casper-hashing = "1.4.3"
+casper-hashing = "1.4.4"
 test-env = { path = "../utils/test-env" }
 contract-utils = { path = "../utils/contract-utils" }
 hex = "0.4.3"
@@ -18,6 +18,3 @@ hex = "0.4.3"
 base64 = { version = "0.13.0" }
 blake2 = { version = "0.9.0", default-features = false }
 once_cell = "1.17.2"
-
-[features]
-default = ["casper-contract/std", "casper-types/std", "casper-contract/test-support"]
diff --git a/staking_contract/staking_contract_tests/wasm/erc20.wasm b/staking_contract/staking_contract_tests/wasm/erc20.wasm
index 7a2c888..c9216d4 100755
Binary files a/staking_contract/staking_contract_tests/wasm/erc20.wasm and b/staking_contract/staking_contract_tests/wasm/erc20.wasm differ
diff --git a/staking_contract/utils/contract-utils/Cargo.toml b/staking_contract/utils/contract-utils/Cargo.toml
index 1a724fc..35fff91 100644
--- a/staking_contract/utils/contract-utils/Cargo.toml
+++ b/staking_contract/utils/contract-utils/Cargo.toml
@@ -5,10 +5,6 @@ authors = ["Maciej Zielinski <maciek.s.zielinski@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-casper-contract = "1.4.4"
-casper-types = "1.5.0"
-hex = { version = "0.4.3", default-features = false }
-
-[features]
-default = ["std"]
-std = ["casper-contract/std", "casper-types/std"]
\ No newline at end of file
+casper-contract = { version = "3.0.0", default-features = false }
+casper-types = { version = "3.0.0", default-features = false }
+hex = { version = "0.4.3" }
diff --git a/staking_contract/utils/test-env/Cargo.toml b/staking_contract/utils/test-env/Cargo.toml
index eb989c7..74088ec 100644
--- a/staking_contract/utils/test-env/Cargo.toml
+++ b/staking_contract/utils/test-env/Cargo.toml
@@ -5,10 +5,7 @@ authors = ["Maciej Zielinski <maciek.s.zielinski@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-casper-contract = { version = "1.4.4", default-features = false, features = ["test-support"] }
 casper-engine-test-support = { version = "2.2.0", features = ["test-support"] }
 casper-execution-engine = "2.0.0"
-casper-types = "1.5.0"
-
-[features]
-default = ["casper-contract/std", "casper-types/std", "casper-engine-test-support/test-support", "casper-contract/test-support"]
+casper-contract = { version = "3.0.0", default-features = false }
+casper-types = { version = "3.0.0", default-features = false }
diff --git a/utils/contract-utils/Cargo.toml b/utils/contract-utils/Cargo.toml
index 732e3a2..98256c4 100644
--- a/utils/contract-utils/Cargo.toml
+++ b/utils/contract-utils/Cargo.toml
@@ -5,6 +5,6 @@ authors = ["Maciej Zielinski <maciek.s.zielinski@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-casper-contract = "1.4.4"
-casper-types = "1.5.0"
+casper-contract = { version = "3.0.0", default-features = false }
+casper-types = { version = "3.0.0", default-features = false }
 hex = { version = "0.4.3", default-features = false }
diff --git a/utils/test-env/Cargo.toml b/utils/test-env/Cargo.toml
index edc2cde..5ad4478 100644
--- a/utils/test-env/Cargo.toml
+++ b/utils/test-env/Cargo.toml
@@ -5,10 +5,7 @@ authors = ["Maciej Zielinski <maciek.s.zielinski@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-casper-contract = { version = "1.4.4", default-features = false, features = ["test-support"] }
 casper-engine-test-support = { version = "2.1.0", features = ["test-support"] }
 casper-execution-engine = "1.5.0"
-casper-types = "1.5.0"
-
-[features]
-default = ["casper-contract/std", "casper-types/std", "casper-engine-test-support/test-support", "casper-contract/test-support"]
+casper-contract = { version = "3.0.0", default-features = false }
+casper-types = { version = "3.0.0", default-features = false }