diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f979c08..c5aff48 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -74,7 +74,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: haskell-actions/run-ormolu@v21
+      - uses: tfausak/ormolu-setup-action@v1
+      - run: git ls-files '*.hs' | xargs ormolu --mode check
   release:
     env:
       PREFIX: github-release-${{ github.event.release.tag_name }}