diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index 9b51a3d..a943a32 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index abfba4e..ec68137 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -38,7 +38,7 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0