diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7ea426d..6ed0cc8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
 
       - name: Setup Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405
@@ -78,7 +78,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
 
       - name: Setup Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405
diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index d5bb22f..9c90c33 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -35,7 +35,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index cee73aa..402d5c6 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -41,7 +41,7 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index d3664a5..45a91a7 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
 
       - name: Setup Bun
         uses: oven-sh/setup-bun@v2
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8d8a5bc..4cbbd00 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -29,7 +29,7 @@ jobs:
       artifact-metadata: write
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
 
       - name: Setup Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405
@@ -163,7 +163,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
 
       - name: Setup Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405