diff --git a/.github/actions/setup-python/action.yml b/.github/actions/setup-python/action.yml
index 4431a9b..0ccee15 100644
--- a/.github/actions/setup-python/action.yml
+++ b/.github/actions/setup-python/action.yml
@@ -14,3 +14,4 @@ runs:
 
     - name: Display Python version
       run: python -c "import sys; print(sys.version)"
+      shell: bash
diff --git a/.github/actions/setup-sam/action.yml b/.github/actions/setup-sam/action.yml
index bbac92e..e4356a8 100644
--- a/.github/actions/setup-sam/action.yml
+++ b/.github/actions/setup-sam/action.yml
@@ -9,4 +9,3 @@ runs:
 
     - name: Set up AWS CLI
       uses: aws-actions/setup-sam@v2
-      shell: bash