diff --git a/Cargo.lock b/Cargo.lock
index f1b3900..17a303d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -62,7 +62,7 @@ version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -73,7 +73,7 @@ checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
 dependencies = [
  "anstyle",
  "once_cell_polyfill",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -322,33 +322,7 @@ version = "3.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "faf9468729b8cbcea668e36183cb69d317348c2e08e994829fb56ebfdfbaac34"
 dependencies = [
- "windows-sys 0.61.2",
-]
-
-[[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",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -362,8 +336,8 @@ dependencies = [
  "cast",
  "ciborium",
  "clap",
- "criterion-plot 0.8.2",
- "itertools 0.13.0",
+ "criterion-plot",
+ "itertools",
  "num-traits",
  "oorandom",
  "page_size",
@@ -376,16 +350,6 @@ 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 = "0.8.2"
@@ -393,7 +357,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d8d80a2f4f5b554395e47b5d8305bc3d27813bacb73493eb1001e8f76dae29ea"
 dependencies = [
  "cast",
- "itertools 0.13.0",
+ "itertools",
 ]
 
 [[package]]
@@ -463,7 +427,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -620,12 +584,6 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
-[[package]]
-name = "hermit-abi"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
-
 [[package]]
 name = "http"
 version = "1.4.0"
@@ -869,32 +827,12 @@ dependencies = [
  "serde",
 ]
 
-[[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 0.61.2",
-]
-
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a6cb138bb79a146c1bd460005623e142ef0181e3d0219cb493e02f7d08a35695"
 
-[[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"
@@ -1181,7 +1119,7 @@ dependencies = [
 name = "protocol-squisher"
 version = "1.1.0"
 dependencies = [
- "criterion 0.8.2",
+ "criterion",
  "proptest",
  "protocol-squisher-avro-analyzer",
  "protocol-squisher-bebop-analyzer",
@@ -1458,7 +1396,7 @@ dependencies = [
 name = "protocol-squisher-meta-analysis"
 version = "1.1.0"
 dependencies = [
- "criterion 0.8.2",
+ "criterion",
  "serde",
  "serde_json",
 ]
@@ -1617,7 +1555,7 @@ dependencies = [
 name = "protocol-squisher-thrift-analyzer"
 version = "1.1.0"
 dependencies = [
- "criterion 0.8.2",
+ "criterion",
  "protocol-squisher-ir",
  "protocol-squisher-transport-primitives",
  "regex",
@@ -1905,7 +1843,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -2081,7 +2019,7 @@ dependencies = [
 name = "shape-ir"
 version = "0.1.0"
 dependencies = [
- "criterion 0.5.1",
+ "criterion",
  "proptest",
  "protocol-squisher-ir",
  "serde",
@@ -2124,7 +2062,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a766e1110788c36f4fa1c2b71b387a7815aa65f88ce0229841826633d93723e"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -2186,7 +2124,7 @@ dependencies = [
  "getrandom 0.4.2",
  "once_cell",
  "rustix",
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -2643,7 +2581,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
diff --git a/crates/shape-ir/Cargo.toml b/crates/shape-ir/Cargo.toml
index a639316..0297cf5 100644
--- a/crates/shape-ir/Cargo.toml
+++ b/crates/shape-ir/Cargo.toml
@@ -21,7 +21,7 @@ protocol-squisher-ir = { path = "../protocol-squisher-ir" }
 
 [dev-dependencies]
 proptest = "1.6"
-criterion = { version = "0.5", features = ["html_reports"] }
+criterion = { version = "0.8", features = ["html_reports"] }
 
 [[bench]]
 name = "shape_benchmarks"