diff --git a/kubernetes/common/cert-wrapper/resources/import-custom-certs.sh b/kubernetes/common/cert-wrapper/resources/import-custom-certs.sh
index cb4153e..6df7505 100755
--- a/kubernetes/common/cert-wrapper/resources/import-custom-certs.sh
+++ b/kubernetes/common/cert-wrapper/resources/import-custom-certs.sh
@@ -1,7 +1,7 @@
-#!/bin/bash
+#!/bin/sh
 {{/*
 
-# Copyright © 2020 Bell Canada
+# Copyright © 2020-2021 Bell Canada
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.