diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 710240b..149f475 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     # Basic setup for Python
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
       - name: Set up Python 3.10
         uses: actions/setup-python@v4
         with: