diff --git a/.github/workflows/cpp-packaging.yml b/.github/workflows/cpp-packaging.yml
index 8f04020fed..463a88485c 100644
--- a/.github/workflows/cpp-packaging.yml
+++ b/.github/workflows/cpp-packaging.yml
@@ -663,6 +663,7 @@ jobs:
     # Workaround for https://github.com/GoogleCloudPlatform/github-actions/issues/100
     # Must be run after the Python setup action
     - name: Set CLOUDSDK_PYTHON (Windows)
+      shell: bash
       if: runner.os == 'Windows' && !cancelled()
       run: echo "CLOUDSDK_PYTHON=${{env.pythonLocation}}\python.exe" >> $GITHUB_ENV
     - name: Install Cloud SDK
diff --git a/.github/workflows/integration_tests.yml b/.github/workflows/integration_tests.yml
index f778ba3b8c..e136fd908c 100644
--- a/.github/workflows/integration_tests.yml
+++ b/.github/workflows/integration_tests.yml
@@ -123,6 +123,7 @@ jobs:
       # Workaround for https://github.com/GoogleCloudPlatform/github-actions/issues/100
       # Must be run after the Python setup action
       - name: Set CLOUDSDK_PYTHON (Windows)
+        shell: bash
         if: startsWith(matrix.os, 'windows') && !cancelled()
         run: echo "CLOUDSDK_PYTHON=${{env.pythonLocation}}\python.exe" >> $GITHUB_ENV
       - name: Install Cloud SDK