diff --git a/build/build.sh b/build/build.sh
index 8e5a939..0aec5c8 100755
--- a/build/build.sh
+++ b/build/build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 #
 # Copyright 2016 The Kubernetes Authors.
 #
diff --git a/build/test.sh b/build/test.sh
index 42a302f..72487a3 100755
--- a/build/test.sh
+++ b/build/test.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 #
 # Copyright 2016 The Kubernetes Authors.
 #