diff --git a/.github/workflows/sign.yml b/.github/workflows/sign.yml
index b8b62b8..9355e20 100644
--- a/.github/workflows/sign.yml
+++ b/.github/workflows/sign.yml
@@ -12,7 +12,7 @@ jobs:
       SECRET_KEY: "${{ secrets.SECRET_KEY }}"
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Cache
         uses: actions/cache@v4