diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 3ae9ef7..6376deb 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
       - name: Use node
         uses: actions/setup-node@v3.8.1
         with: