diff --git a/Cargo.lock b/Cargo.lock
index 39cf5c1..ac48234 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -111,7 +111,7 @@ version = "0.1.0"
 dependencies = [
  "cachekit",
  "chrono",
- "criterion 0.5.1",
+ "criterion",
  "rand",
  "rand_distr",
  "serde",
@@ -152,7 +152,7 @@ dependencies = [
  "arbitrary",
  "bench-support",
  "chrono",
- "criterion 0.8.1",
+ "criterion",
  "dhat",
  "log",
  "lru",
@@ -259,32 +259,6 @@ version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
-[[package]]
-name = "criterion"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2b12d017a929603d80db1831cd3a24082f8137ce19c69e6447f54f5fc8d692f"
-dependencies = [
- "anes",
- "cast",
- "ciborium",
- "clap",
- "criterion-plot 0.5.0",
- "is-terminal",
- "itertools 0.10.5",
- "num-traits",
- "once_cell",
- "oorandom",
- "plotters",
- "rayon",
- "regex",
- "serde",
- "serde_derive",
- "serde_json",
- "tinytemplate",
- "walkdir",
-]
-
 [[package]]
 name = "criterion"
 version = "0.8.1"
@@ -296,8 +270,8 @@ dependencies = [
  "cast",
  "ciborium",
  "clap",
- "criterion-plot 0.8.1",
- "itertools 0.13.0",
+ "criterion-plot",
+ "itertools",
  "num-traits",
  "oorandom",
  "page_size",
@@ -310,16 +284,6 @@ dependencies = [
  "walkdir",
 ]
 
-[[package]]
-name = "criterion-plot"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
-dependencies = [
- "cast",
- "itertools 0.10.5",
-]
-
 [[package]]
 name = "criterion-plot"
 version = "0.8.1"
@@ -327,7 +291,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed943f81ea2faa8dcecbbfa50164acf95d555afec96a27871663b300e387b2e4"
 dependencies = [
  "cast",
- "itertools 0.13.0",
+ "itertools",
 ]
 
 [[package]]
@@ -474,12 +438,6 @@ dependencies = [
  "foldhash",
 ]
 
-[[package]]
-name = "hermit-abi"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
-
 [[package]]
 name = "iana-time-zone"
 version = "0.1.64"
@@ -504,26 +462,6 @@ dependencies = [
  "cc",
 ]
 
-[[package]]
-name = "is-terminal"
-version = "0.4.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3640c1c38b8e4e43584d8df18be5fc6b0aa314ce6ebf51b53313d4306cca8e46"
-dependencies = [
- "hermit-abi",
- "libc",
- "windows-sys",
-]
-
-[[package]]
-name = "itertools"
-version = "0.10.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itertools"
 version = "0.13.0"
diff --git a/bench-support/Cargo.toml b/bench-support/Cargo.toml
index 161b1aa..30b7dad 100644
--- a/bench-support/Cargo.toml
+++ b/bench-support/Cargo.toml
@@ -10,7 +10,7 @@ path = "src/bin/render_docs.rs"
 
 [dependencies]
 cachekit = { path = ".." }
-criterion = "0.5"
+criterion = "0.8"
 rand = { version = "0.9", features = ["small_rng"] }
 rand_distr = "0.5"
 serde = { version = "1.0", features = ["derive"] }