diff --git a/.github/workflows/claude-pr-review-action.yml b/.github/workflows/claude-pr-review-action.yml
index 73bef13..d7afe95 100644
--- a/.github/workflows/claude-pr-review-action.yml
+++ b/.github/workflows/claude-pr-review-action.yml
@@ -55,7 +55,7 @@ jobs:
       id-token: write
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0