diff --git a/.github/workflows/jekyll.yml b/.github/workflows/jekyll.yml
index 5d97260ac443ba..9b50dd17bb8ce5 100644
--- a/.github/workflows/jekyll.yml
+++ b/.github/workflows/jekyll.yml
@@ -34,12 +34,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout EIPs
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
         with:
           repository: ethereum/EIPs
           path: ''
       - name: Checkout ERCs
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
         with:
           repository: ethereum/ERCs
           path: ERCs