diff --git a/src/Cargo.lock b/src/Cargo.lock
index 81b24de7..5ef8d359 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -560,18 +560,18 @@ dependencies = [
 
 [[package]]
 name = "bitfields"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d866f92dc1574aa8da443eacb06ad8fbe4056dbc1b7c3aae508cbccd46c7e706"
+checksum = "ef6e59298da389bc0649c7463856b34c6e17fe542f88939426ede4436c6b1195"
 dependencies = [
  "bitfields-impl",
 ]
 
 [[package]]
 name = "bitfields-impl"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c09459e6af3016ea58af8332e31d5da117d33a621bad7019355eefccc4a567d4"
+checksum = "f2c044f98f86f15414668d6c8187c7e4fadab1ad2b31680f648703e0fe07c555"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2537,9 +2537,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.43"
+version = "1.0.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc74d9a594b72ae6656596548f56f667211f8a97b3d4c3d467150794690dc40a"
+checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
 dependencies = [
  "proc-macro2",
 ]
@@ -3515,9 +3515,9 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
-version = "2.0.114"
+version = "2.0.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4d107df263a3013ef9b1879b0df87d706ff80f65a86ea879bd9c31f9b307c2a"
+checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/src/llm-coding-tools-core/Cargo.toml b/src/llm-coding-tools-core/Cargo.toml
index 7cf80bd6..467736aa 100644
--- a/src/llm-coding-tools-core/Cargo.toml
+++ b/src/llm-coding-tools-core/Cargo.toml
@@ -48,7 +48,7 @@ bitflags = "2.11.0"
 bitcode = "0.6.9"
 
 # Compile-time generated packed bitfield structs for model metadata
-bitfields = "1.0.2"
+bitfields = "1.0.3"
 
 # High-performance hashing for permission keys
 ahash = "0.8"