diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 58b4a1d..3b46338 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -97,6 +97,7 @@ jobs:
     - run: |
         npm install npm-windows-upgrade --location=global
         npm-windows-upgrade --npm-version latest
+      shell: pwsh
     - uses: ./
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}