diff --git a/.github/workflows/action-ci.yml b/.github/workflows/action-ci.yml
index 3b07aa4..88e1932 100644
--- a/.github/workflows/action-ci.yml
+++ b/.github/workflows/action-ci.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Run action smoke test
         id: inspectcode