diff --git a/action.yaml b/action.yaml
index 7d64534..6c8910c 100644
--- a/action.yaml
+++ b/action.yaml
@@ -30,7 +30,7 @@ runs:
   steps:
 
     - name: Build and Push with Kaniko
-      shell: /bin/bash
+      shell: sh
       run: |
         # 1. Initialize Kaniko Docker config directory
         mkdir -p /kaniko/.docker