diff --git a/.github/actions/ci-setup.yml b/.github/actions/ci-setup/action.yml
similarity index 100%
rename from .github/actions/ci-setup.yml
rename to .github/actions/ci-setup/action.yml
diff --git a/.github/workflows/ci-mutation-tests.yml b/.github/workflows/ci-mutation-tests.yml
index 4f9acb2f..62abad4e 100644
--- a/.github/workflows/ci-mutation-tests.yml
+++ b/.github/workflows/ci-mutation-tests.yml
@@ -18,7 +18,7 @@ jobs:
       extensions: openswoole-4.11.1
     steps:
       - name: Setup
-        uses: './.github/actions/ci-setup.yml'
+        uses: './.github/actions/ci-setup'
         with:
           php-version: ${{ matrix.php-version }}
           php-extensions: ${{ env.extensions }}