diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9c615cf..8d6a8a9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -11,7 +11,7 @@ jobs:
     
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 
     - name: Run generate script
       run: |