diff --git a/kubernetes/robot/scripts/etescript/security-etescript.sh b/kubernetes/robot/scripts/etescript/security-etescript.sh
index bf51329..a114cf5 100755
--- a/kubernetes/robot/scripts/etescript/security-etescript.sh
+++ b/kubernetes/robot/scripts/etescript/security-etescript.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 # Copyright 2019 Samsung Electronics Co., Ltd.
 #