diff --git a/.github/workflows/self-check.yml b/.github/workflows/self-check.yml
index 42f07be..9bcae99 100644
--- a/.github/workflows/self-check.yml
+++ b/.github/workflows/self-check.yml
@@ -11,7 +11,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"