diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 4f5568d0..9ae42fc0 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -175,7 +175,7 @@ jobs:
           key: ${{ runner.os }}-${{ matrix.compiler }}-tools-d8b62173
           path: ~/.haskell-ci-tools
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
         with:
           path: source
       - name: initial cabal.project for sdist