diff --git a/Cargo.lock b/Cargo.lock
index f106012a..60215e53 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -101,6 +101,7 @@ dependencies = [
  "const-random",
  "getrandom 0.3.4",
  "once_cell",
+ "serde",
  "version_check",
  "zerocopy",
 ]
@@ -1337,6 +1338,21 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "compact_str"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fdb1325a1cece981e8a296ab8f0f9b63ae357bd0784a9faaf548cc7b480707a"
+dependencies = [
+ "castaway",
+ "cfg-if 1.0.4",
+ "itoa",
+ "rustversion",
+ "ryu",
+ "serde",
+ "static_assertions",
+]
+
 [[package]]
 name = "concurrent-queue"
 version = "2.5.0"
@@ -1736,6 +1752,15 @@ dependencies = [
  "syn 2.0.111",
 ]
 
+[[package]]
+name = "dary_heap"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06d2e3287df1c007e74221c49ca10a95d557349e54b3a75dc2fb14712c751f04"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "dashmap"
 version = "5.5.3"
@@ -3529,15 +3554,6 @@ dependencies = [
  "either",
 ]
 
-[[package]]
-name = "itertools"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itertools"
 version = "0.13.0"
@@ -6039,12 +6055,12 @@ dependencies = [
 
 [[package]]
 name = "rayon-cond"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "059f538b55efd2309c9794130bc149c6a553db90e9d99c2030785c82f0bd7df9"
+checksum = "2964d0cf57a3e7a06e8183d14a8b527195c706b7983549cd5462d5aa3747438f"
 dependencies = [
  "either",
- "itertools 0.11.0",
+ "itertools 0.14.0",
  "rayon",
 ]
 
@@ -7877,22 +7893,24 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokenizers"
-version = "0.19.1"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e500fad1dd3af3d626327e6a3fe5050e664a6eaa4708b8ca92f1794aaf73e6fd"
+checksum = "b238e22d44a15349529690fb07bd645cf58149a1b1e44d6cb5bd1641ff1a6223"
 dependencies = [
+ "ahash 0.8.12",
  "aho-corasick",
+ "compact_str",
+ "dary_heap",
  "derive_builder",
  "esaxx-rs",
- "getrandom 0.2.16",
- "itertools 0.12.1",
- "lazy_static",
+ "getrandom 0.3.4",
+ "itertools 0.14.0",
  "log",
  "macro_rules_attribute",
  "monostate",
  "onig",
  "paste",
- "rand 0.8.5",
+ "rand 0.9.2",
  "rayon",
  "rayon-cond",
  "regex",
@@ -7900,7 +7918,7 @@ dependencies = [
  "serde",
  "serde_json",
  "spm_precompiled",
- "thiserror 1.0.69",
+ "thiserror 2.0.17",
  "unicode-normalization-alignments",
  "unicode-segmentation",
  "unicode_categories",
diff --git a/crates/synapse-infra/Cargo.toml b/crates/synapse-infra/Cargo.toml
index b6623c13..c9bbcedd 100644
--- a/crates/synapse-infra/Cargo.toml
+++ b/crates/synapse-infra/Cargo.toml
@@ -37,7 +37,7 @@ futures = "0.3"
 
 # AI Inference
 ort = { workspace = true }
-tokenizers = { version = "0.19", default-features = false, features = ["onig"] }
+tokenizers = { version = "0.22", default-features = false, features = ["onig"] }
 ndarray = "0.16"
 candle-core = { workspace = true }
 candle-nn = { workspace = true }