diff --git a/action.yml b/action.yml
index f040e54..383441f 100644
--- a/action.yml
+++ b/action.yml
@@ -16,5 +16,8 @@ runs:
   using: "composite"
   steps:
     - run: pip install --upgrade pip
+      shell: bash
     - run: pip install flake8
-    - run: flake8 . --ignore=E203,E226,E228,E231,E501,W503,W504 --benchmark
\ No newline at end of file
+      shell: bash
+    - run: flake8 . --ignore=E203,E226,E228,E231,E501,W503,W504 --benchmark
+      shell: bash
\ No newline at end of file