diff --git a/.github/workflows/regression.yml b/.github/workflows/regression.yml
index dc3a78d8d..3b0be03c0 100644
--- a/.github/workflows/regression.yml
+++ b/.github/workflows/regression.yml
@@ -19,7 +19,7 @@ jobs:
       tags: ${{ steps.generate.outputs.tags }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       
       - name: Generate tag combinations
         id: generate