diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index ecd27d0..6ce4500 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -27,7 +27,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 58d0fa2..9d503e3 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -25,7 +25,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1