diff --git a/.github/workflows/vex.yml b/.github/workflows/vex.yml
index 7031ef8135cd..52f8a8f17d73 100644
--- a/.github/workflows/vex.yml
+++ b/.github/workflows/vex.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Set env
         run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
       - uses: openvex/generate-vex@31b415924ea0d72ed5f2640f1dee59dea6c2770b