diff --git a/Cargo.lock b/Cargo.lock
index ee0de5c7e5c8..519bd6b4964c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -178,7 +178,7 @@ version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb1ff21a63d3262af46b9f33a826a8d134e2d0d9b2179c86034948b732ea8b2a"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "flate2",
  "futures-core",
  "memchr",
@@ -193,7 +193,7 @@ checksum = "8d3a45e77e34375a7923b1e8febb049bb011f064714a8e17a1a616fef01da13d"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -215,9 +215,9 @@ checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
 
 [[package]]
 name = "autocfg"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
@@ -243,7 +243,7 @@ dependencies = [
  "backup-service",
  "bcs",
  "byteorder",
- "bytes",
+ "bytes 0.5.6",
  "diem-config",
  "diem-crypto",
  "diem-infallible",
@@ -273,7 +273,7 @@ dependencies = [
  "serde_json",
  "storage-interface",
  "structopt 0.3.21",
- "tokio",
+ "tokio 1.19.2",
  "tokio-util",
  "toml",
 ]
@@ -284,7 +284,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "bcs",
- "bytes",
+ "bytes 0.5.6",
  "diem-config",
  "diem-crypto",
  "diem-logger",
@@ -299,7 +299,7 @@ dependencies = [
  "reqwest",
  "serde",
  "storage-interface",
- "tokio",
+ "tokio 1.19.2",
  "warp",
 ]
 
@@ -460,7 +460,7 @@ version = "0.1.0"
 dependencies = [
  "diem-workspace-hack",
  "futures 0.3.8",
- "tokio",
+ "tokio 1.19.2",
 ]
 
 [[package]]
@@ -581,6 +581,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bytes"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
+
 [[package]]
 name = "c_linked_list"
 version = "1.1.1"
@@ -657,7 +663,7 @@ dependencies = [
  "diem-types",
  "diem-workspace-hack",
  "futures 0.3.8",
- "tokio",
+ "tokio 1.19.2",
 ]
 
 [[package]]
@@ -747,7 +753,7 @@ dependencies = [
  "rustyline",
  "serde",
  "structopt 0.3.21",
- "tokio",
+ "tokio 1.19.2",
  "transaction-builder",
  "walkdir",
 ]
@@ -815,7 +821,7 @@ dependencies = [
  "state-synchronizer",
  "structopt 0.3.21",
  "termion",
- "tokio",
+ "tokio 1.19.2",
  "toml",
  "transaction-builder",
 ]
@@ -906,7 +912,7 @@ dependencies = [
  "async-trait",
  "bcs",
  "byteorder",
- "bytes",
+ "bytes 0.5.6",
  "channel",
  "consensus-types",
  "diem-config",
@@ -945,7 +951,7 @@ dependencies = [
  "tempfile",
  "termion",
  "thiserror",
- "tokio",
+ "tokio 1.19.2",
  "vm-genesis",
  "vm-validator",
 ]
@@ -1132,7 +1138,7 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "cfg-if 0.1.10",
  "lazy_static",
 ]
@@ -1143,7 +1149,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec91540d98355f690a86367e566ecad2e9e579f230230eb7c21398372be73ea5"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "cfg-if 1.0.0",
  "const_fn",
  "lazy_static",
@@ -1276,12 +1282,12 @@ name = "debug-interface"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "bytes",
+ "bytes 0.5.6",
  "diem-logger",
  "diem-metrics",
  "diem-workspace-hack",
  "reqwest",
- "tokio",
+ "tokio 1.19.2",
  "warp",
 ]
 
@@ -1356,7 +1362,7 @@ dependencies = [
  "bcs",
  "bitvec",
  "byteorder",
- "bytes",
+ "bytes 0.5.6",
  "criterion",
  "curve25519-dalek 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "curve25519-dalek 3.0.0 (git+https://github.com/novifinancial/curve25519-dalek.git?branch=fiat3)",
@@ -1398,7 +1404,7 @@ dependencies = [
  "diem-workspace-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -1446,7 +1452,7 @@ dependencies = [
  "hex",
  "reqwest",
  "structopt 0.3.21",
- "tokio",
+ "tokio 1.19.2",
 ]
 
 [[package]]
@@ -1471,7 +1477,7 @@ dependencies = [
  "serde_json",
  "structopt 0.3.21",
  "tempfile",
- "tokio",
+ "tokio 1.19.2",
  "transaction-builder-generated",
  "warp",
 ]
@@ -1648,7 +1654,7 @@ dependencies = [
  "serde",
  "serde_json",
  "storage-interface",
- "tokio",
+ "tokio 1.19.2",
  "transaction-builder-generated",
  "vm-genesis",
  "vm-validator",
@@ -1673,7 +1679,7 @@ dependencies = [
  "reqwest",
  "serde",
  "serde_json",
- "tokio",
+ "tokio 1.19.2",
  "warp",
 ]
 
@@ -1726,7 +1732,7 @@ dependencies = [
  "serde",
  "storage-interface",
  "thiserror",
- "tokio",
+ "tokio 1.19.2",
  "transaction-builder-generated",
  "vm-validator",
 ]
@@ -1738,7 +1744,7 @@ dependencies = [
  "diem-workspace-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -1816,7 +1822,7 @@ dependencies = [
  "storage-interface",
  "storage-service",
  "subscription-service",
- "tokio",
+ "tokio 1.19.2",
  "vm-validator",
 ]
 
@@ -1835,7 +1841,7 @@ dependencies = [
  "prometheus",
  "rusty-fork",
  "serde_json",
- "tokio",
+ "tokio 1.19.2",
 ]
 
 [[package]]
@@ -1925,7 +1931,7 @@ dependencies = [
  "storage-service",
  "structopt 0.3.21",
  "subscription-service",
- "tokio",
+ "tokio 1.19.2",
 ]
 
 [[package]]
@@ -1971,7 +1977,7 @@ version = "0.1.0"
 dependencies = [
  "diem-logger",
  "diem-workspace-hack",
- "tokio",
+ "tokio 1.19.2",
 ]
 
 [[package]]
@@ -1995,7 +2001,7 @@ dependencies = [
  "serde_json",
  "storage-interface",
  "thiserror",
- "tokio",
+ "tokio 1.19.2",
  "ureq",
  "vm-validator",
 ]
@@ -2131,7 +2137,7 @@ dependencies = [
  "serde",
  "serde_json",
  "structopt 0.3.21",
- "tokio",
+ "tokio 1.19.2",
 ]
 
 [[package]]
@@ -2166,7 +2172,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "bcs",
- "bytes",
+ "bytes 0.5.6",
  "chrono",
  "diem-crypto",
  "diem-crypto-derive",
@@ -2279,7 +2285,7 @@ name = "diem-workspace-hack"
 version = "0.1.0"
 dependencies = [
  "byteorder",
- "bytes",
+ "bytes 0.5.6",
  "cc",
  "chrono",
  "itertools 0.9.0",
@@ -2293,7 +2299,7 @@ dependencies = [
  "serde",
  "sha-1 0.9.2",
  "subtle",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -2565,7 +2571,7 @@ dependencies = [
  "once_cell",
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -2961,7 +2967,7 @@ dependencies = [
  "proc-macro-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -3200,7 +3206,7 @@ version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e4728fd124914ad25e99e3d15a9361a879f6620f63cb56bbb08f95abb97a535"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "fnv",
  "futures-core",
  "futures-sink",
@@ -3208,7 +3214,7 @@ dependencies = [
  "http",
  "indexmap",
  "slab",
- "tokio",
+ "tokio 0.2.25",
  "tokio-util",
  "tracing",
  "tracing-futures",
@@ -3248,7 +3254,7 @@ checksum = "ed18eb2459bf1a09ad2d6b1547840c3e5e62882fa09b9a6a20b1de8e3228848f"
 dependencies = [
  "base64 0.12.3",
  "bitflags",
- "bytes",
+ "bytes 0.5.6",
  "headers-core",
  "http",
  "mime",
@@ -3336,7 +3342,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28d569972648b2c512421b5f2a405ad6ac9666547189d0c5477a3f200f3e02f9"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "fnv",
  "itoa",
 ]
@@ -3347,7 +3353,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13d5ff830006f7646652e057693569bfe0d51760c0085a071769d142a205111b"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "http",
 ]
 
@@ -3384,7 +3390,7 @@ version = "0.13.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6ad767baac13b44d4529fcf58ba2cd0995e36e7b435bc5b039de6f47e880dbf"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "futures-channel",
  "futures-core",
  "futures-util",
@@ -3395,8 +3401,8 @@ dependencies = [
  "httpdate",
  "itoa",
  "pin-project 1.0.2",
- "socket2",
- "tokio",
+ "socket2 0.3.15",
+ "tokio 0.2.25",
  "tower-service",
  "tracing",
  "want",
@@ -3408,10 +3414,10 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d979acc56dcb5b8dddba3917601745e877576475aa046df3226eabdecef78eed"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "hyper",
  "native-tls",
- "tokio",
+ "tokio 0.2.25",
  "tokio-tls",
 ]
 
@@ -3447,7 +3453,7 @@ dependencies = [
  "proc-macro-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -3456,7 +3462,7 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "hashbrown",
 ]
 
@@ -3475,7 +3481,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19a8a95243d5a0398cae618ec29477c6e3cb631152be5c19481f80bc71559754"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
 ]
 
 [[package]]
@@ -3639,7 +3645,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57f95fd36c08ce592e67400a0f1a66f432196997d5a7e9a97e8743c33d8a9312"
 dependencies = [
  "base64 0.12.3",
- "bytes",
+ "bytes 0.5.6",
  "chrono",
  "serde",
  "serde-value",
@@ -3670,7 +3676,7 @@ checksum = "f4f52dbe2c0e7ca54e43f1bc7b77b916750e63d7694e5a18c09b11307acc6b9d"
 dependencies = [
  "Inflector",
  "base64 0.12.3",
- "bytes",
+ "bytes 0.5.6",
  "chrono",
  "dirs 3.0.1",
  "either",
@@ -3688,7 +3694,7 @@ dependencies = [
  "static_assertions",
  "thiserror",
  "time 0.2.23",
- "tokio",
+ "tokio 0.2.25",
  "url",
 ]
 
@@ -3780,9 +3786,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.81"
+version = "0.2.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
+checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
 
 [[package]]
 name = "libfuzzer-sys"
@@ -3824,10 +3830,11 @@ checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
 
 [[package]]
 name = "lock_api"
-version = "0.4.2"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd96ffd135b2fd7b973ac026d28085defbe8983df057ced3eb4f2130b0831312"
+checksum = "327fa5b6a6940e4699ec49a9beae1ea4845c6bab9314e4f84ac68742139d8c53"
 dependencies = [
+ "autocfg 1.1.0",
  "scopeguard",
 ]
 
@@ -3887,14 +3894,14 @@ version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "043175f069eda7b85febe4a74abbaeff828d9f8b448515d3151a14a3542811aa"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
 ]
 
 [[package]]
 name = "memsocket"
 version = "0.1.0"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "diem-infallible",
  "diem-workspace-hack",
  "futures 0.3.8",
@@ -3924,14 +3931,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f2d26ec3309788e423cfbf68ad1800f061638098d76a83681af979dc4eda19d"
 dependencies = [
  "adler",
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
 ]
 
 [[package]]
 name = "mio"
-version = "0.6.22"
+version = "0.6.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fce347092656428bc8eaf6201042cb551b8d67855af7374542a92a0fbfcac430"
+checksum = "4afd66f5b91bf2a3bc13fad0e21caedac168ca4c707504e75585648ae80e4cc4"
 dependencies = [
  "cfg-if 0.1.10",
  "fuchsia-zircon",
@@ -3940,12 +3947,24 @@ dependencies = [
  "kernel32-sys",
  "libc",
  "log",
- "miow 0.2.1",
+ "miow 0.2.2",
  "net2",
  "slab",
  "winapi 0.2.8",
 ]
 
+[[package]]
+name = "mio"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "713d550d9b44d89174e066b7a6217ae06234c10cb47819a88290d2b353c31799"
+dependencies = [
+ "libc",
+ "log",
+ "wasi 0.11.0+wasi-snapshot-preview1",
+ "windows-sys",
+]
+
 [[package]]
 name = "mio-named-pipes"
 version = "0.1.7"
@@ -3953,7 +3972,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0840c1c50fd55e521b247f949c241c9997709f23bd7f023b9762cd561e935656"
 dependencies = [
  "log",
- "mio",
+ "mio 0.6.23",
  "miow 0.3.5",
  "winapi 0.3.9",
 ]
@@ -3966,14 +3985,14 @@ checksum = "afcb699eb26d4332647cc848492bbc15eafb26f08d0304550d5aa1f612e066f0"
 dependencies = [
  "iovec",
  "libc",
- "mio",
+ "mio 0.6.23",
 ]
 
 [[package]]
 name = "miow"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"
+checksum = "ebd808424166322d4a38da87083bfddd3ac4c131334ed55856112eb06d46944d"
 dependencies = [
  "kernel32-sys",
  "net2",
@@ -3987,7 +4006,7 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07b88fb9795d4d36d62a012dfbf49a8f5cf12751f36d31a9dbe66d528e58979e"
 dependencies = [
- "socket2",
+ "socket2 0.3.15",
  "winapi 0.3.9",
 ]
 
@@ -4208,7 +4227,7 @@ dependencies = [
  "shell-words",
  "simplelog",
  "spec-lang",
- "tokio",
+ "tokio 1.19.2",
  "toml",
  "vm",
 ]
@@ -4366,7 +4385,7 @@ dependencies = [
 name = "netcore"
 version = "0.1.0"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "diem-logger",
  "diem-network-address",
  "diem-types",
@@ -4375,7 +4394,7 @@ dependencies = [
  "memsocket",
  "pin-project 1.0.2",
  "serde",
- "tokio",
+ "tokio 1.19.2",
  "url",
 ]
 
@@ -4385,7 +4404,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "bcs",
- "bytes",
+ "bytes 0.5.6",
  "channel",
  "criterion",
  "diem-bitvec",
@@ -4418,7 +4437,7 @@ dependencies = [
  "short-hex-str",
  "socket-bench-server",
  "thiserror",
- "tokio",
+ "tokio 1.19.2",
  "tokio-retry",
  "tokio-util",
 ]
@@ -4446,7 +4465,7 @@ dependencies = [
  "rand 0.7.3",
  "serde",
  "subscription-service",
- "tokio",
+ "tokio 1.19.2",
  "tokio-retry",
 ]
 
@@ -4470,7 +4489,7 @@ dependencies = [
  "network",
  "once_cell",
  "subscription-service",
- "tokio",
+ "tokio 1.19.2",
 ]
 
 [[package]]
@@ -4541,7 +4560,7 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "090c7f9998ee0ff65aa5b723e4009f7b217707f1fb5ea551329cc4d6231fb304"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "num-integer",
  "num-traits",
 ]
@@ -4552,7 +4571,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e9a41747ae4633fce5adffb4d2e81ffc5e89593cb19917f8fb2cc5ff76507bf"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "num-integer",
  "num-traits",
 ]
@@ -4563,7 +4582,7 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6b19411a9719e753aff12e5187b74d60d3dc449ec3f4dc21e3989c3f554bc95"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "num-traits",
 ]
 
@@ -4584,7 +4603,7 @@ checksum = "876a53fff98e03a936a674b29568b0e605f06b29372c2489ff4de23f1949743d"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -4593,7 +4612,7 @@ version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "num-traits",
 ]
 
@@ -4603,7 +4622,7 @@ version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b2021c8337a54d21aca0d59a92577a029af9431cb59b909b03252b9c164fad59"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "num-integer",
  "num-traits",
 ]
@@ -4614,7 +4633,7 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c000134b5dbf44adc5cb772486d335293351644b801551abe8f75c84cfa4aef"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "num-bigint 0.2.6",
  "num-integer",
  "num-traits",
@@ -4626,7 +4645,7 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "12ac428b1cb17fce6f731001d307d351ec70a6d202fc2e60f7d4c5e42d8f4f07"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "num-bigint 0.3.1",
  "num-integer",
  "num-traits",
@@ -4638,7 +4657,7 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
 ]
 
 [[package]]
@@ -4648,7 +4667,7 @@ dependencies = [
  "diem-workspace-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -4723,7 +4742,7 @@ version = "0.9.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a842db4709b604f0fe5d1170ae3565899be2ad3d9cbc72dedc789ac0511f78de"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "cc",
  "libc",
  "pkg-config",
@@ -4747,7 +4766,17 @@ checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
 dependencies = [
  "instant",
  "lock_api",
- "parking_lot_core",
+ "parking_lot_core 0.8.1",
+]
+
+[[package]]
+name = "parking_lot"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
+dependencies = [
+ "lock_api",
+ "parking_lot_core 0.9.3",
 ]
 
 [[package]]
@@ -4759,11 +4788,24 @@ dependencies = [
  "cfg-if 1.0.0",
  "instant",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "smallvec",
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "parking_lot_core"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09a279cbf25cb0757810394fbc1e359949b59e348145c643a939a525692e6929"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "redox_syscall 0.2.13",
+ "smallvec",
+ "windows-sys",
+]
+
 [[package]]
 name = "pathdiff"
 version = "0.2.0"
@@ -4837,7 +4879,7 @@ dependencies = [
  "pest_meta",
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -4887,7 +4929,7 @@ checksum = "65ad2ae56b6abe3a1ee25f15ee605bacadb9a764edaba9c2bf4103800d4a1895"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -4898,7 +4940,7 @@ checksum = "f8e8d2bf0b23038a4424865103a4df472855692821aab4e4f5c3312d461d9e5f"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -4997,7 +5039,7 @@ dependencies = [
  "proc-macro-error-attr",
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
  "version_check",
 ]
 
@@ -5051,7 +5093,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "fnv",
  "lazy_static",
- "parking_lot",
+ "parking_lot 0.11.0",
  "regex",
  "thiserror",
 ]
@@ -5093,7 +5135,7 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce49aefe0a6144a45de32927c77bd2859a5f7677b55f220ae5b744e87389c212"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "prost-derive",
 ]
 
@@ -5103,7 +5145,7 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "02b10678c913ecbd69350e8535c3aef91a8676c0773fc1d7b95cdd196d7f2f26"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "heck",
  "itertools 0.8.2",
  "log",
@@ -5125,7 +5167,7 @@ dependencies = [
  "itertools 0.8.2",
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -5134,7 +5176,7 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1834f67c0697c001304b75be76f67add9c89742eda3a085ad8ee0bb38c3417aa"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "prost",
 ]
 
@@ -5368,7 +5410,7 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b0d8e0819fadc20c74ea8373106ead0600e3a67ef1fe8da56e39b9ae7275674"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg 1.1.0",
  "crossbeam-deque",
  "either",
  "rayon-core",
@@ -5402,13 +5444,22 @@ version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
+[[package]]
+name = "redox_syscall"
+version = "0.2.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62f25bc4c7e55e0b0b7a1d43fb893f4fa1361d0abe38b9ce4f323c2adfe6ef42"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "redox_termios"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 dependencies = [
- "redox_syscall",
+ "redox_syscall 0.1.57",
 ]
 
 [[package]]
@@ -5418,7 +5469,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "de0737333e7a9502c789a36d7c7fa6092a49895d4faa31ca5df163857ded2e9d"
 dependencies = [
  "getrandom 0.1.15",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "rust-argon2",
 ]
 
@@ -5439,7 +5490,7 @@ checksum = "0c523ccaed8ac4b0288948849a350b37d3035827413c458b6a40ddb614bb4f72"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -5496,7 +5547,7 @@ checksum = "475e68978dc5b743f2f40d8e0a8fdc83f1c5e78cbf4b8fa5e74e73beebc340de"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -5507,7 +5558,7 @@ checksum = "fb15d6255c792356a0f578d8a645c677904dc02e862bebe2ecc18e0c01b9a0ce"
 dependencies = [
  "async-compression",
  "base64 0.13.0",
- "bytes",
+ "bytes 0.5.6",
  "encoding_rs",
  "futures-core",
  "futures-util",
@@ -5527,7 +5578,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded 0.7.0",
- "tokio",
+ "tokio 0.2.25",
  "tokio-tls",
  "url",
  "wasm-bindgen",
@@ -5585,7 +5636,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7af1c42491edaa3b2582c6f3a0221f5ef4ed7a02c71cf1f614bb12877e1d44dd"
 dependencies = [
  "async-trait",
- "bytes",
+ "bytes 0.5.6",
  "futures 0.3.8",
  "rusoto_core",
  "serde_urlencoded 0.6.1",
@@ -5600,7 +5651,7 @@ checksum = "e977941ee0658df96fca7291ecc6fc9a754600b21ad84b959eb1dbbc9d5abcc7"
 dependencies = [
  "async-trait",
  "base64 0.12.3",
- "bytes",
+ "bytes 0.5.6",
  "crc32fast",
  "futures 0.3.8",
  "http",
@@ -5616,7 +5667,7 @@ dependencies = [
  "rustc_version",
  "serde",
  "serde_json",
- "tokio",
+ "tokio 0.2.25",
  "xml-rs",
 ]
 
@@ -5636,7 +5687,7 @@ dependencies = [
  "serde",
  "serde_json",
  "shlex",
- "tokio",
+ "tokio 0.2.25",
  "zeroize",
 ]
 
@@ -5647,7 +5698,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1146e37a7c1df56471ea67825fe09bbbd37984b5f6e201d8b2e0be4ee15643d8"
 dependencies = [
  "async-trait",
- "bytes",
+ "bytes 0.5.6",
  "futures 0.3.8",
  "rusoto_core",
  "xml-rs",
@@ -5660,7 +5711,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97a740a88dde8ded81b6f2cff9cd5e054a5a2e38a38397260f7acdd2c85d17dd"
 dependencies = [
  "base64 0.12.3",
- "bytes",
+ "bytes 0.5.6",
  "futures 0.3.8",
  "hex",
  "hmac 0.8.1",
@@ -5675,7 +5726,7 @@ dependencies = [
  "serde",
  "sha2",
  "time 0.2.23",
- "tokio",
+ "tokio 0.2.25",
 ]
 
 [[package]]
@@ -5685,7 +5736,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3815b8c0fc1c50caf9e87603f23daadfedb18d854de287b361c69f68dc9d49e0"
 dependencies = [
  "async-trait",
- "bytes",
+ "bytes 0.5.6",
  "chrono",
  "futures 0.3.8",
  "rusoto_core",
@@ -6035,7 +6086,7 @@ checksum = "c84d3526699cd55261af4b941e4e725444df67aa4f9e6a3564f18030d12672df"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -6092,7 +6143,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e0bccbcf40c8938196944a3da0e133e031a33f4d6b72db3bda3cc556e361905d"
 dependencies = [
  "lazy_static",
- "parking_lot",
+ "parking_lot 0.11.0",
  "serial_test_derive",
 ]
 
@@ -6104,7 +6155,7 @@ checksum = "b2acd6defeddb41eb60bb468f8825d0cfd0c2a76bc03bfd235b6a1dc4f6a1ad5"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -6231,9 +6282,9 @@ checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
 [[package]]
 name = "smallvec"
-version = "1.5.1"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae524f056d7d770e174287294f562e95044c68e88dec909a00d2094805db9d75"
+checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
 
 [[package]]
 name = "smoke-test"
@@ -6277,7 +6328,7 @@ dependencies = [
  "rust_decimal",
  "rusty-fork",
  "statistical",
- "tokio",
+ "tokio 1.19.2",
  "transaction-builder",
 ]
 
@@ -6297,7 +6348,7 @@ dependencies = [
  "network",
  "network-builder",
  "rand 0.7.3",
- "tokio",
+ "tokio 1.19.2",
  "tokio-util",
 ]
 
@@ -6309,7 +6360,17 @@ checksum = "b1fa70dc5c8104ec096f4fe7ede7a221d35ae13dcd19ba1ad9a81d2cab9a1c44"
 dependencies = [
  "cfg-if 0.1.10",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.1.57",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "socket2"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
+dependencies = [
+ "libc",
  "winapi 0.3.9",
 ]
 
@@ -6359,7 +6420,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "bcs",
- "bytes",
+ "bytes 0.5.6",
  "channel",
  "compiled-stdlib",
  "diem-config",
@@ -6393,7 +6454,7 @@ dependencies = [
  "storage-interface",
  "storage-service",
  "subscription-service",
- "tokio",
+ "tokio 1.19.2",
  "transaction-builder",
  "vm-genesis",
 ]
@@ -6466,7 +6527,7 @@ dependencies = [
  "quote 1.0.7",
  "serde",
  "serde_derive",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -6482,7 +6543,7 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "sha1",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -6546,7 +6607,7 @@ dependencies = [
  "rand 0.7.3",
  "storage-client",
  "storage-interface",
- "tokio",
+ "tokio 1.19.2",
 ]
 
 [[package]]
@@ -6598,7 +6659,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -6653,9 +6714,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.53"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8833e20724c24de12bbaba5ad230ea61c3eafb05b881c7c9d3cfe8638b187e68"
+checksum = "6498a9efc342871f91cc2d0d694c674368b4ceb40f62b65a7a08c3792935e702"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
@@ -6670,7 +6731,7 @@ checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
  "unicode-xid 0.2.1",
 ]
 
@@ -6699,7 +6760,7 @@ dependencies = [
  "cfg-if 0.1.10",
  "libc",
  "rand 0.7.3",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "remove_dir_all",
  "winapi 0.3.9",
 ]
@@ -6742,7 +6803,7 @@ checksum = "c22cec9d8978d906be5ac94bceb5a010d885c626c4c8855721a4dbd20e3ac905"
 dependencies = [
  "libc",
  "numtoa",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "redox_termios",
 ]
 
@@ -6808,7 +6869,7 @@ checksum = "9ba20f23e85b10754cd195504aebf6a27e2e6cbe28c17778a0c930724628dd56"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -6866,7 +6927,7 @@ dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
  "standback",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -6905,25 +6966,45 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "0.2.22"
+version = "0.2.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d34ca54d84bf2b5b4d7d31e901a8464f7b60ac145a284fba25ceb801f2ddccd"
+checksum = "6703a273949a90131b290be1fe7b039d0fc884aa1935860dfcbe056f28cd8092"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "fnv",
  "futures-core",
  "iovec",
  "lazy_static",
  "libc",
  "memchr",
- "mio",
+ "mio 0.6.23",
  "mio-named-pipes",
  "mio-uds",
  "num_cpus",
  "pin-project-lite 0.1.11",
  "signal-hook-registry",
  "slab",
- "tokio-macros",
+ "tokio-macros 0.2.6",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "tokio"
+version = "1.19.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c51a52ed6686dd62c320f9b89299e9dfb46f730c7a48e635c19f21d116cb1439"
+dependencies = [
+ "bytes 1.1.0",
+ "libc",
+ "memchr",
+ "mio 0.8.3",
+ "num_cpus",
+ "once_cell",
+ "parking_lot 0.12.1",
+ "pin-project-lite 0.2.0",
+ "signal-hook-registry",
+ "socket2 0.4.4",
+ "tokio-macros 1.8.0",
  "winapi 0.3.9",
 ]
 
@@ -6939,13 +7020,24 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "0.2.5"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e44da00bfc73a25f814cd8d7e57a68a5c31b74b3152a0a1d1f590c97ed06265a"
+dependencies = [
+ "proc-macro2 1.0.24",
+ "quote 1.0.7",
+ "syn 1.0.67",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
+checksum = "9724f9a975fb987ef7a3cd9be0350edcbe130698af5b8f7a631e23d42d052484"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
 ]
 
 [[package]]
@@ -6978,7 +7070,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a70f4fcd7b3b24fb194f837560168208f669ca8cb70d0c4b862944452396343"
 dependencies = [
  "native-tls",
- "tokio",
+ "tokio 0.2.25",
 ]
 
 [[package]]
@@ -6990,7 +7082,7 @@ dependencies = [
  "futures-util",
  "log",
  "pin-project 0.4.27",
- "tokio",
+ "tokio 0.2.25",
  "tungstenite",
 ]
 
@@ -7000,13 +7092,13 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "futures-core",
  "futures-io",
  "futures-sink",
  "log",
  "pin-project-lite 0.1.11",
- "tokio",
+ "tokio 0.2.25",
 ]
 
 [[package]]
@@ -7128,7 +7220,7 @@ checksum = "f0308d80d86700c5878b9ef6321f020f29b1bb9d5ff3cab25e75e23f3a492a23"
 dependencies = [
  "base64 0.12.3",
  "byteorder",
- "bytes",
+ "bytes 0.5.6",
  "http",
  "httparse",
  "input_buffer",
@@ -7403,7 +7495,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f41be6df54c97904af01aa23e613d4521eed7ab23537cede692d4058f6449407"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "futures 0.3.8",
  "headers",
  "http",
@@ -7417,7 +7509,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded 0.6.1",
- "tokio",
+ "tokio 0.2.25",
  "tokio-tungstenite",
  "tower-service",
  "tracing",
@@ -7437,6 +7529,12 @@ version = "0.10.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
+[[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 = "0.2.69"
@@ -7460,7 +7558,7 @@ dependencies = [
  "log",
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
  "wasm-bindgen-shared",
 ]
 
@@ -7494,7 +7592,7 @@ checksum = "b5a48c72f299d80557c7c62e37e7225369ecc0c963964059509fbafe917c7549"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -7601,6 +7699,49 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-sys"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
+dependencies = [
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
+
 [[package]]
 name = "winreg"
 version = "0.7.0"
@@ -7732,6 +7873,6 @@ checksum = "c3f369ddb18862aba61aa49bf31e74d29f0f162dec753063200e1dc084345d16"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
- "syn 1.0.53",
+ "syn 1.0.67",
  "synstructure",
 ]
diff --git a/client/faucet/Cargo.toml b/client/faucet/Cargo.toml
index d8eb6385f72b..9abed73667c3 100644
--- a/client/faucet/Cargo.toml
+++ b/client/faucet/Cargo.toml
@@ -16,7 +16,7 @@ reqwest = { version = "0.10.9", features = ["blocking"], default-features = fals
 serde = "1.0.117"
 serde_derive = "1.0.117"
 structopt = "0.3.21"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 warp = "0.2.5"
 
 generate-key = { path = "../../config/generate-key", version = "0.1.0" }
diff --git a/client/json-rpc/Cargo.toml b/client/json-rpc/Cargo.toml
index 7e68f8ad3147..be2e03a7ef92 100644
--- a/client/json-rpc/Cargo.toml
+++ b/client/json-rpc/Cargo.toml
@@ -18,7 +18,7 @@ rand = "0.7.3"
 reqwest = { version = "0.10.9", features = ["blocking", "json"], default_features = false }
 serde = { version = "1.0.117", default-features = false }
 serde_json = "1.0.60"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 
 diem-crypto = { path = "../../crypto/crypto", version = "0.1.0" }
 bcs = "0.1.1"
diff --git a/common/bounded-executor/Cargo.toml b/common/bounded-executor/Cargo.toml
index dcd03f30c059..d89d3946147b 100644
--- a/common/bounded-executor/Cargo.toml
+++ b/common/bounded-executor/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2018"
 [dependencies]
 futures = "0.3.8"
 diem-workspace-hack = { path = "../workspace-hack", version = "0.1.0" }
-tokio = { version = "0.2.22", features = ["sync"] }
+tokio = { version = "1.19.2", features = ["sync"] }
 
 [dev-dependencies]
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
diff --git a/common/channel/Cargo.toml b/common/channel/Cargo.toml
index d0042378e9ec..3d8199a2c38a 100644
--- a/common/channel/Cargo.toml
+++ b/common/channel/Cargo.toml
@@ -18,4 +18,4 @@ diem-workspace-hack = { path = "../workspace-hack", version = "0.1.0" }
 
 [dev-dependencies]
 diem-types = { path = "../../types", version = "0.1.0"  }
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
diff --git a/common/debug-interface/Cargo.toml b/common/debug-interface/Cargo.toml
index ee634b261cce..cf9c06226a3b 100644
--- a/common/debug-interface/Cargo.toml
+++ b/common/debug-interface/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2018"
 [dependencies]
 anyhow = "1.0.34"
 bytes = "0.5.6"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 reqwest = { version = "0.10.9", features = ["blocking", "json"], default_features = false }
 warp = "0.2.5"
 
diff --git a/common/metrics/Cargo.toml b/common/metrics/Cargo.toml
index 94a8c9b7a022..1b339d300160 100644
--- a/common/metrics/Cargo.toml
+++ b/common/metrics/Cargo.toml
@@ -16,7 +16,7 @@ hyper = "0.13.9"
 once_cell = "1.4.1"
 prometheus = { version = "0.11.0", default-features = false }
 serde_json = "1.0.60"
-tokio = "0.2.22"
+tokio = "1.19.2"
 
 diem-logger = { path = "../logger", version = "0.1.0" }
 diem-metrics-core = { path = "../metrics-core", version = "0.1.0" }
diff --git a/common/retrier/Cargo.toml b/common/retrier/Cargo.toml
index 7c613e9793d3..e5bfe13469ba 100644
--- a/common/retrier/Cargo.toml
+++ b/common/retrier/Cargo.toml
@@ -11,5 +11,5 @@ edition = "2018"
 
 [dependencies]
 diem-workspace-hack = { path = "..//workspace-hack", version = "0.1.0" }
-tokio = { version = "0.2.22", features = ["time"] }
+tokio = { version = "1.19.2", features = ["time"] }
 diem-logger = { path = "../../common/logger", version = "0.1.0"}
diff --git a/common/trace/Cargo.toml b/common/trace/Cargo.toml
index 0e4317acab88..26c645fe1bbb 100644
--- a/common/trace/Cargo.toml
+++ b/common/trace/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2018"
 [dependencies]
 chrono = "0.4.19"
 structopt = "0.3.21"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 serde_json = "1.0.60"
 serde = "1.0.117"
 anyhow = "1.0.34"
diff --git a/consensus/Cargo.toml b/consensus/Cargo.toml
index d359dc0d2c26..9d242517570b 100644
--- a/consensus/Cargo.toml
+++ b/consensus/Cargo.toml
@@ -27,7 +27,7 @@ serde = { version = "1.0.117", default-features = false }
 serde_json = "1.0.60"
 termion = { version = "1.5.5", default-features = false }
 thiserror = "1.0.22"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 
 channel = { path = "../common/channel", version = "0.1.0" }
 consensus-types = { path = "consensus-types", version = "0.1.0", default-features = false }
diff --git a/diem-node/Cargo.toml b/diem-node/Cargo.toml
index 66f4b18e8004..454968e43856 100644
--- a/diem-node/Cargo.toml
+++ b/diem-node/Cargo.toml
@@ -14,7 +14,7 @@ fail = "0.4.0"
 futures = "0.3.8"
 jemallocator = { version = "0.3.2", features = ["profiling", "unprefixed_malloc_on_supported_platforms"] }
 structopt = "0.3.21"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 
 backup-service = { path = "../storage/backup/backup-service", version = "0.1.0" }
 consensus = { path = "../consensus", version = "0.1.0" }
diff --git a/json-rpc/Cargo.toml b/json-rpc/Cargo.toml
index 3e16b9d458cf..ae5fc9dadf28 100644
--- a/json-rpc/Cargo.toml
+++ b/json-rpc/Cargo.toml
@@ -19,7 +19,7 @@ once_cell = "1.4.1"
 rand = "0.7.3"
 serde_json = "1.0.60"
 serde = { version = "1.0.117", default-features = false }
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 warp = "0.2.5"
 reqwest = { version = "0.10.9", features = ["blocking", "json"], default_features = false, optional = true }
 proptest = { version = "0.10.1", optional = true }
diff --git a/language/diem-tools/diem-events-fetcher/Cargo.toml b/language/diem-tools/diem-events-fetcher/Cargo.toml
index 83792e703499..5ec317c8385c 100644
--- a/language/diem-tools/diem-events-fetcher/Cargo.toml
+++ b/language/diem-tools/diem-events-fetcher/Cargo.toml
@@ -17,7 +17,7 @@ hex = "0.4.2"
 reqwest = { version = "0.10.9", features = ["blocking", "json"] }
 structopt = "0.3.21"
 futures = "0.3.8"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 
 diem-workspace-hack = { path = "../../../common/workspace-hack", version = "0.1.0" }
 diem-json-rpc-client = { path = "../../../client/json-rpc", version = "0.1.0" }
diff --git a/language/move-prover/Cargo.toml b/language/move-prover/Cargo.toml
index 1e926144f975..dfaca8cc1ee1 100644
--- a/language/move-prover/Cargo.toml
+++ b/language/move-prover/Cargo.toml
@@ -40,7 +40,7 @@ serde = { version = "1.0.117", features = ["derive"] }
 serde_json = "1.0.60"
 simplelog = "0.8.0"
 once_cell = "1.4.1"
-tokio = { version = "0.2", features = ["full"] }
+tokio = { version = "1.19", features = ["full"] }
 toml = "0.5.7"
 
 [dev-dependencies]
diff --git a/mempool/Cargo.toml b/mempool/Cargo.toml
index b5576b216bcb..a6ee14fda97f 100644
--- a/mempool/Cargo.toml
+++ b/mempool/Cargo.toml
@@ -18,7 +18,7 @@ once_cell = "1.4.1"
 proptest = { version = "0.10.1", optional = true }
 rayon = "1.4.1"
 serde = { version = "1.0.117", default-features = false }
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 
 bounded-executor = { path = "../common/bounded-executor", version = "0.1.0" }
 channel = { path = "../common/channel", version = "0.1.0" }
diff --git a/network/Cargo.toml b/network/Cargo.toml
index 1e8922225ce8..c8bca3811e20 100644
--- a/network/Cargo.toml
+++ b/network/Cargo.toml
@@ -24,7 +24,7 @@ rand_core = { version = "0.5.1", optional = true }
 serde = { version = "1.0.117", default-features = false }
 serde_bytes = "0.11.5"
 thiserror = "1.0.22"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 tokio-retry = "0.2.0"
 tokio-util = { version = "0.3.1", features = ["codec"] }
 
diff --git a/network/builder/Cargo.toml b/network/builder/Cargo.toml
index c3b102946578..53d84dc9aab8 100644
--- a/network/builder/Cargo.toml
+++ b/network/builder/Cargo.toml
@@ -15,7 +15,7 @@ edition = "2018"
 futures = "0.3.8"
 rand = "0.7.3"
 serde = { version = "1.0.117", default-features = false }
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 tokio-retry = "0.2.0"
 
 
diff --git a/network/netcore/Cargo.toml b/network/netcore/Cargo.toml
index 291d2507038d..9ed12fe4d67d 100644
--- a/network/netcore/Cargo.toml
+++ b/network/netcore/Cargo.toml
@@ -14,7 +14,7 @@ bytes = "0.5.6"
 futures = "0.3.8"
 pin-project = "1.0.2"
 serde = { version = "1.0.117", default-features = false }
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 url = { version = "2.1.1" }
 
 diem-workspace-hack = { path = "../../common/workspace-hack", version = "0.1.0" }
diff --git a/network/simple-onchain-discovery/Cargo.toml b/network/simple-onchain-discovery/Cargo.toml
index ab7fc52e56c8..420a980e8126 100644
--- a/network/simple-onchain-discovery/Cargo.toml
+++ b/network/simple-onchain-discovery/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 anyhow = "1.0.34"
 futures = "0.3.8"
 once_cell = "1.4.1"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 
 channel = {path = "../../common/channel", version = "0.1.0"}
 bcs = "0.1.1"
diff --git a/network/socket-bench-server/Cargo.toml b/network/socket-bench-server/Cargo.toml
index 21e30f8edc60..9157e018c8cc 100644
--- a/network/socket-bench-server/Cargo.toml
+++ b/network/socket-bench-server/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2018"
 
 [dependencies]
 futures = "0.3.8"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 tokio-util = { version = "0.3.1", features = ["codec"] }
 
 diem-crypto = { path = "../../crypto/crypto" }
diff --git a/secure/json-rpc/Cargo.toml b/secure/json-rpc/Cargo.toml
index 5ea261ac8259..9bbc555b424a 100644
--- a/secure/json-rpc/Cargo.toml
+++ b/secure/json-rpc/Cargo.toml
@@ -27,7 +27,7 @@ diem-workspace-hack = { path = "../../common/workspace-hack", version = "0.1.0"
 anyhow = "1.0.34"
 futures = "0.3.8"
 proptest = "0.10.1"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 
 diem-config = { path = "../../config", version = "0.1.0" }
 diem-proptest-helpers = { path = "../../common/proptest-helpers", version = "0.1.0"}
diff --git a/secure/key-manager/Cargo.toml b/secure/key-manager/Cargo.toml
index 5c6ca03a0f89..4549fa7a77b1 100644
--- a/secure/key-manager/Cargo.toml
+++ b/secure/key-manager/Cargo.toml
@@ -32,7 +32,7 @@ transaction-builder-generated = { path = "../../client/transaction-builder", ver
 anyhow = "1.0.34"
 futures = "0.3.8"
 rand = "0.7.3"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 
 executor = { path = "../../execution/executor", version = "0.1.0" }
 executor-test-helpers = { path = "../../execution/executor-test-helpers", version = "0.1.0" }
diff --git a/state-synchronizer/Cargo.toml b/state-synchronizer/Cargo.toml
index 4d312257427d..a0eb80a59fa6 100644
--- a/state-synchronizer/Cargo.toml
+++ b/state-synchronizer/Cargo.toml
@@ -16,7 +16,7 @@ futures = "0.3.8"
 serde = { version = "1.0.117", default-features = false }
 once_cell = "1.4.1"
 rand = "0.7.3"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 itertools = { version = "0.9.0", default-features = false }
 proptest = { version = "0.10.1", optional = true }
 
diff --git a/storage/backup/backup-cli/Cargo.toml b/storage/backup/backup-cli/Cargo.toml
index 0881f975ca99..dbc66b70f724 100644
--- a/storage/backup/backup-cli/Cargo.toml
+++ b/storage/backup/backup-cli/Cargo.toml
@@ -26,7 +26,7 @@ serde = { version = "1.0.117", features = ["derive"] }
 serde_json = "1.0.60"
 structopt = "0.3.21"
 toml = "0.5.7"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 tokio-util = { version = "0.3.1", features = ["compat"] }
 
 executor = { path = "../../../execution/executor", version = "0.1.0" }
diff --git a/storage/backup/backup-service/Cargo.toml b/storage/backup/backup-service/Cargo.toml
index 0ef45910d40d..ae27721dda12 100644
--- a/storage/backup/backup-service/Cargo.toml
+++ b/storage/backup/backup-service/Cargo.toml
@@ -15,7 +15,7 @@ futures = "0.3.8"
 hyper = "0.13.9"
 once_cell = "1.4.1"
 serde = { version = "1.0.117", default-features = false }
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 warp = "0.2.5"
 
 bcs = "0.1.1"
diff --git a/storage/storage-service/Cargo.toml b/storage/storage-service/Cargo.toml
index 6e3fed197739..a9eaf5dfef49 100644
--- a/storage/storage-service/Cargo.toml
+++ b/storage/storage-service/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2018"
 
 [dependencies]
 anyhow = "1.0.34"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 futures = "0.3.8"
 
 bcs = "0.1.1"
diff --git a/testsuite/cli/Cargo.toml b/testsuite/cli/Cargo.toml
index a014b50148ec..65934cbaf921 100644
--- a/testsuite/cli/Cargo.toml
+++ b/testsuite/cli/Cargo.toml
@@ -21,7 +21,7 @@ once_cell = "1.4.1"
 reqwest = { version = "0.10.9", features = ["blocking", "json"] }
 serde = { version = "1.0.117", features = ["derive"] }
 structopt = "0.3.21"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 walkdir = "2.3.1"
 
 diem-config = { path = "../../config", version = "0.1.0" }
diff --git a/testsuite/cluster-test/Cargo.toml b/testsuite/cluster-test/Cargo.toml
index 342510e5a2f9..cc8d522e8a67 100644
--- a/testsuite/cluster-test/Cargo.toml
+++ b/testsuite/cluster-test/Cargo.toml
@@ -62,7 +62,7 @@ state-synchronizer = { path = "../../state-synchronizer", version = "0.1.0" }
 transaction-builder = { path = "../../language/transaction-builder", version = "0.1.0" }
 
 futures = "0.3.8"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 async-trait = "0.1.42"
 
 kube = { version = "0.42.0" }
diff --git a/testsuite/smoke-test/Cargo.toml b/testsuite/smoke-test/Cargo.toml
index 23467d3ef7ab..0052fa0416ba 100644
--- a/testsuite/smoke-test/Cargo.toml
+++ b/testsuite/smoke-test/Cargo.toml
@@ -20,7 +20,7 @@ regex = "1.4.2"
 rust_decimal = "1.8.1"
 rusty-fork = "0.3.0"
 statistical = "1.0.0"
-tokio = { version = "0.2.22", features = ["full"] }
+tokio = { version = "1.19.2", features = ["full"] }
 
 backup-cli = { path = "../../storage/backup/backup-cli", version = "0.1.0" }
 cli = { path = "../cli", version = "0.1.0", features = ["fuzzing"]  }