diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 717c638..81b63f4 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -7,7 +7,7 @@ env:
 
 jobs:
   testing01:
-    name: default flag testing
+    name: testing new bash flow
     runs-on: ubuntu-latest
     steps:
       - name: checkout
diff --git a/entrypoint.sh b/entrypoint.sh
index f50d56e..783a902 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 set -o errexit
 set -o nounset