diff --git a/Cargo.lock b/Cargo.lock
index 4b9270a..5cb70f0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -65,7 +65,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e01ed3140b2f8d422c68afa1ed2e85d996ea619c988ac834d255db32138655cb"
 dependencies = [
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -182,7 +182,7 @@ dependencies = [
  "actix-router",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -269,6 +269,15 @@ dependencies = [
  "alloc-no-stdlib",
 ]
 
+[[package]]
+name = "alloca"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5a7d05ea6aea7e9e64d25b9156ba2fee3fdd659e34e41063cd2fc7cd020d7f4"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -568,7 +577,7 @@ checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -937,7 +946,7 @@ dependencies = [
  "hkdf",
  "hmac 0.10.1",
  "percent-encoding",
- "rand 0.8.6",
+ "rand 0.8.7",
  "sha2",
  "time 0.2.27",
  "version_check",
@@ -995,25 +1004,24 @@ dependencies = [
 
 [[package]]
 name = "criterion"
-version = "0.5.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2b12d017a929603d80db1831cd3a24082f8137ce19c69e6447f54f5fc8d692f"
+checksum = "950046b2aa2492f9a536f5f4f9a3de7b9e2476e575e05bd6c333371add4d98f3"
 dependencies = [
+ "alloca",
  "anes",
  "cast",
  "ciborium",
  "clap",
  "criterion-plot",
- "is-terminal",
- "itertools 0.10.5",
+ "itertools 0.13.0",
  "num-traits",
- "once_cell",
  "oorandom",
+ "page_size",
  "plotters",
  "rayon",
  "regex",
  "serde",
- "serde_derive",
  "serde_json",
  "tinytemplate",
  "walkdir",
@@ -1021,12 +1029,12 @@ dependencies = [
 
 [[package]]
 name = "criterion-plot"
-version = "0.5.0"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
+checksum = "d8d80a2f4f5b554395e47b5d8305bc3d27813bacb73493eb1001e8f76dae29ea"
 dependencies = [
  "cast",
- "itertools 0.10.5",
+ "itertools 0.13.0",
 ]
 
 [[package]]
@@ -1123,7 +1131,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustc_version 0.4.1",
- "syn 2.0.117",
+ "syn 2.0.119",
  "unicode-xid",
 ]
 
@@ -1161,7 +1169,7 @@ checksum = "1ac70aa55017e108007fbaf5aa0f54b021c98f92ff8af59d42eda9da96e3dd4f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -1423,7 +1431,7 @@ checksum = "2d6d3cde68c518367be28956066ddfef33813991b77a55005a69dae04bf3b10b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -1945,22 +1953,11 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
-[[package]]
-name = "is-terminal"
-version = "0.4.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3640c1c38b8e4e43584d8df18be5fc6b0aa314ce6ebf51b53313d4306cca8e46"
-dependencies = [
- "hermit-abi 0.5.2",
- "libc",
- "windows-sys 0.61.2",
-]
-
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
 dependencies = [
  "either",
 ]
@@ -2119,7 +2116,7 @@ dependencies = [
  "quote",
  "regex-syntax",
  "rustc_version 0.4.1",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2133,7 +2130,7 @@ dependencies = [
  "quote",
  "regex-automata",
  "regex-syntax",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2185,7 +2182,7 @@ checksum = "db5b29714e950dbb20d5e6f74f9dcec4edbcc1067bb7f8ed198c097b8c1a818b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2255,6 +2252,16 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
+[[package]]
+name = "page_size"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30d5b2194ed13191c1999ae0704b7839fb18384fa22e49b57eeaa97d79ce40da"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "parking"
 version = "2.2.1"
@@ -2318,7 +2325,7 @@ checksum = "c96395f0a926bc13b1c17622aaddda1ecb55d49c8f1bf9777e4d877800a43f8b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2462,7 +2469,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
 dependencies = [
  "proc-macro2",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2503,7 +2510,7 @@ dependencies = [
  "protox",
  "pyo3",
  "quickcheck",
- "rand 0.8.6",
+ "rand 0.10.1",
  "tide",
  "tokio",
 ]
@@ -2515,7 +2522,7 @@ dependencies = [
  "proc-macro2",
  "prometheus-client",
  "quote",
- "syn 2.0.117",
+ "syn 3.0.3",
  "trybuild",
 ]
 
@@ -2544,7 +2551,7 @@ dependencies = [
  "prost",
  "prost-types",
  "regex",
- "syn 2.0.117",
+ "syn 2.0.119",
  "tempfile",
 ]
 
@@ -2558,7 +2565,7 @@ dependencies = [
  "itertools 0.14.0",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2651,7 +2658,7 @@ dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2663,7 +2670,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2713,9 +2720,9 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.8.6"
+version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ca0ecfa931c29007047d1bc58e623ab12e5590e8c7cc53200d5202b69266d8a"
+checksum = "22f6172bdec972074665ed81ed53b71da00bfc44b65a753cfde883ec4c702a1a"
 dependencies = [
  "libc",
  "rand_chacha 0.3.1",
@@ -2976,7 +2983,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3308,9 +3315,20 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.117"
+version = "2.0.119"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "872831b642d1a07999a962a351ed35b955ea2cfc8f3862091e2a240a84f17297"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "syn"
+version = "3.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
+checksum = "53e9bae58849f64dfa4f5d5ae372c8341f7305f82a3868709269343628b659a3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3331,7 +3349,7 @@ checksum = "728a70f3dbaf5bab7f0c4b1ac8d7ae5ea60a4b5549c8a5914361c99147a709d2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3393,7 +3411,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3404,7 +3422,7 @@ checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3543,7 +3561,7 @@ checksum = "385a6cb71ab9ab790c5fe8d67f1645e6c450a7ce006a33de03daa956cf70a496"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3646,7 +3664,7 @@ checksum = "7490cfa5ec963746568740651ac6781f701c9c5ea257c58e057f3ba8cf69e8da"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3870,7 +3888,7 @@ dependencies = [
  "bumpalo",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
  "wasm-bindgen-shared",
 ]
 
@@ -3979,7 +3997,7 @@ checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3990,7 +4008,7 @@ checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -4207,7 +4225,7 @@ dependencies = [
  "heck",
  "indexmap",
  "prettyplease",
- "syn 2.0.117",
+ "syn 2.0.119",
  "wasm-metadata",
  "wit-bindgen-core",
  "wit-component",
@@ -4223,7 +4241,7 @@ dependencies = [
  "prettyplease",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
  "wit-bindgen-core",
  "wit-bindgen-rust",
 ]
@@ -4290,7 +4308,7 @@ checksum = "de844c262c8848816172cef550288e7dc6c7b7814b4ee56b3e1553f275f1858e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
  "synstructure",
 ]
 
@@ -4311,7 +4329,7 @@ checksum = "1ae7f38b72ec2a254e2b87ef277cf2cd4fb97cbebf944faa6f33354da0867930"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -4331,7 +4349,7 @@ checksum = "11532158c46691caf0f2593ea8358fed6bbf68a0315e80aae9bd41fbade684a1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
  "synstructure",
 ]
 
@@ -4365,7 +4383,7 @@ checksum = "625dc425cab0dca6dc3c3319506e6593dcb08a9f387ea3b284dbd52a92c40555"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn 2.0.119",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 66c6123..ed2b974 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,12 +38,12 @@ prost-types = { version = "0.14", optional = true }
 [dev-dependencies]
 async-std = { version = "1", features = ["attributes"] }
 axum = "0.8"
-criterion = "0.5"
+criterion = "0.8"
 futures = "0.3"
 http-types = "2"
 pyo3 = "0.29"
 quickcheck = "1"
-rand = "0.8.4"
+rand = "0.10.1"
 tide = "0.16"
 actix-web = "4"
 tokio = { version = "1", features = ["rt-multi-thread", "net", "macros", "signal"] }
diff --git a/derive-encode/Cargo.toml b/derive-encode/Cargo.toml
index 5fd04bc..63941ac 100644
--- a/derive-encode/Cargo.toml
+++ b/derive-encode/Cargo.toml
@@ -14,7 +14,7 @@ documentation = "https://docs.rs/prometheus-client-derive-text-encode"
 [dependencies]
 proc-macro2 = "1"
 quote = "1"
-syn = "2"
+syn = "3"
 
 [dev-dependencies]
 prometheus-client = { path = "../", features = ["prometheus_protobuf"] }