diff --git a/diffctx/Cargo.lock b/diffctx/Cargo.lock
index 38d16743..d4b1736b 100644
--- a/diffctx/Cargo.lock
+++ b/diffctx/Cargo.lock
@@ -205,7 +205,7 @@ dependencies = [
  "pyo3",
  "rayon",
  "regex",
- "rustc-hash 2.1.2",
+ "rustc-hash",
  "serde",
  "serde_json",
  "serde_yaml",
@@ -649,12 +649,6 @@ version = "0.8.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
 
-[[package]]
-name = "rustc-hash"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
-
 [[package]]
 name = "rustc-hash"
 version = "2.1.2"
@@ -870,9 +864,9 @@ dependencies = [
 
 [[package]]
 name = "tiktoken-rs"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fac4a168cfc1d8ed65bf17a6ee0843ad9a68f863c63c0fb2fa7eab67838782ee"
+checksum = "027853bbf8c7763b77c5c595f1c271c7d536ced7d6f83452911b944621e57fc2"
 dependencies = [
  "anyhow",
  "base64",
@@ -880,7 +874,7 @@ dependencies = [
  "fancy-regex",
  "lazy_static",
  "regex",
- "rustc-hash 1.1.0",
+ "rustc-hash",
 ]
 
 [[package]]
diff --git a/diffctx/Cargo.toml b/diffctx/Cargo.toml
index 7661e5d1..8cbf819b 100644
--- a/diffctx/Cargo.toml
+++ b/diffctx/Cargo.toml
@@ -104,7 +104,7 @@ tree-sitter-graphql = { version = "0.1", optional = true }
 tree-sitter-dart = { version = "0.1", optional = true }
 tree-sitter-prisma-io = { version = "1.6", optional = true }
 tree-sitter-svelte-ng = { version = "1.0", optional = true }
-tiktoken-rs = "=0.11.0"
+tiktoken-rs = "=0.12.0"
 rayon = "1.10"
 serde = { version = "1", features = ["derive", "rc"] }
 serde_json = "1"