diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 44a28d2..825dea4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,6 +28,7 @@ jobs:
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path
         run: echo "dir=$(yarn config get cacheFolder)" >> $GITHUB_OUTPUT
+        shell: bash
 
       - uses: actions/cache@v3
         id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)