diff --git a/Cargo.lock b/Cargo.lock
index 183ffa0e..ab705fca 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2410,7 +2410,7 @@ version = "3.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "faf9468729b8cbcea668e36183cb69d317348c2e08e994829fb56ebfdfbaac34"
 dependencies = [
- "windows-sys 0.48.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -4293,12 +4293,12 @@ dependencies = [
 
 [[package]]
 name = "gray_matter"
-version = "0.2.9"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8666976c40b8633f918783969b6681a3ddb205f29150348617de425d85a3e3bd"
+checksum = "3563a3eb8bacf11a0a6d93de7885f2cca224dddff0114e4eb8053ca0f1918acd"
 dependencies = [
  "serde",
- "serde_json",
+ "thiserror 2.0.18",
  "yaml-rust2",
 ]
 
@@ -4609,15 +4609,6 @@ dependencies = [
  "foldhash 0.2.0",
 ]
 
-[[package]]
-name = "hashlink"
-version = "0.8.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8094feaf31ff591f651a2664fb9cfd92bba7a60ce3197265e9482ebe753c8f7"
-dependencies = [
- "hashbrown 0.14.5",
-]
-
 [[package]]
 name = "hashlink"
 version = "0.10.0"
@@ -10361,7 +10352,7 @@ dependencies = [
  "futures-io",
  "futures-util",
  "hashbrown 0.15.5",
- "hashlink 0.10.0",
+ "hashlink",
  "indexmap 2.14.0",
  "log",
  "memchr",
@@ -12336,7 +12327,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.48.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -12849,13 +12840,13 @@ checksum = "66fee0b777b0f5ac1c69bb06d361268faafa61cd4682ae064a171c16c433e9e4"
 
 [[package]]
 name = "yaml-rust2"
-version = "0.8.1"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8902160c4e6f2fb145dbe9d6760a75e3c9522d8bf796ed7047c85919ac7115f8"
+checksum = "2462ea039c445496d8793d052e13787f2b90e750b833afee748e601c17621ed9"
 dependencies = [
  "arraydeque",
  "encoding_rs",
- "hashlink 0.8.4",
+ "hashlink",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index f8990fe4..8e0cb62f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -413,7 +413,7 @@ jsonschema = { version = "0.46", default-features = false }
 # YAML-frontmatter splitter for parsing `agents/<name>.md` files.
 # Body becomes `AgentSpec.instructions`; frontmatter becomes the
 # structured fields. See spec §4.
-gray_matter = { version = "0.2", default-features = false, features = ["yaml"] }
+gray_matter = { version = "0.3", default-features = false, features = ["yaml"] }
 
 [workspace.lints.clippy]
 too_many_arguments = "allow"