diff --git a/action.yml b/action.yml
index f979933..ba10584 100644
--- a/action.yml
+++ b/action.yml
@@ -15,6 +15,7 @@ runs:
         python-version: "3.11"
 
     - name: Install dependencies
+      shell: bash
       run: pip install requests
 
     - name: Run PR commenter