diff --git a/kubernetes/robot/demo-k8s.sh b/kubernetes/robot/demo-k8s.sh
index 37631bc..4393905 100755
--- a/kubernetes/robot/demo-k8s.sh
+++ b/kubernetes/robot/demo-k8s.sh
@@ -1,4 +1,5 @@
-#!/bin/bash
+#!/bin/sh
+
 # Copyright (C) 2018 Amdocs, Bell Canada
 # Modifications Copyright (C) 2019 Samsung
 # Modifications Copyright (C) 2020 Nokia
diff --git a/kubernetes/robot/ete-k8s.sh b/kubernetes/robot/ete-k8s.sh
index 01cf092..4ef8f46 100755
--- a/kubernetes/robot/ete-k8s.sh
+++ b/kubernetes/robot/ete-k8s.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Copyright © 2018 Amdocs, Bell Canada
 #
diff --git a/kubernetes/robot/eteHelm-k8s.sh b/kubernetes/robot/eteHelm-k8s.sh
index 8b74da7..1b31c16 100755
--- a/kubernetes/robot/eteHelm-k8s.sh
+++ b/kubernetes/robot/eteHelm-k8s.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Copyright (c) 2017 AT&T Intellectual Property. All rights reserved.
 #
diff --git a/kubernetes/robot/instantiate-k8s.sh b/kubernetes/robot/instantiate-k8s.sh
index 623870b..aef812b 100755
--- a/kubernetes/robot/instantiate-k8s.sh
+++ b/kubernetes/robot/instantiate-k8s.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Copyright 2019 AT&T Intellectual Property. All rights reserved.
 #
diff --git a/kubernetes/robot/scripts/etescript/hvves-etescript.sh b/kubernetes/robot/scripts/etescript/hvves-etescript.sh
index eb04e07..16fec57 100755
--- a/kubernetes/robot/scripts/etescript/hvves-etescript.sh
+++ b/kubernetes/robot/scripts/etescript/hvves-etescript.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Copyright © 2019 Nokia
 #
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.
 #
diff --git a/kubernetes/robot/scripts/etescript/vnfsdk-etescript.sh b/kubernetes/robot/scripts/etescript/vnfsdk-etescript.sh
index a93f109..e23e5ed 100755
--- a/kubernetes/robot/scripts/etescript/vnfsdk-etescript.sh
+++ b/kubernetes/robot/scripts/etescript/vnfsdk-etescript.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # SPDX-License-Identifier: Apache-2.0