diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index a266e51..ab2d9d5 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -29,7 +29,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1