diff --git a/cluster/images/conformance/run_e2e.sh b/cluster/images/conformance/run_e2e.sh
index 843b0fd13b3..ee8597f276b 100755
--- a/cluster/images/conformance/run_e2e.sh
+++ b/cluster/images/conformance/run_e2e.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2018 The Kubernetes Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/hack/update-generated-kubelet-plugin-registration-dockerized.sh b/hack/update-generated-kubelet-plugin-registration-dockerized.sh
index 18b4f0c7266..4cdbd21136d 100755
--- a/hack/update-generated-kubelet-plugin-registration-dockerized.sh
+++ b/hack/update-generated-kubelet-plugin-registration-dockerized.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright 2018 The Kubernetes Authors.
 #
diff --git a/hack/update-generated-kubelet-plugin-registration.sh b/hack/update-generated-kubelet-plugin-registration.sh
index 308733c0246..4e4a598d6c0 100755
--- a/hack/update-generated-kubelet-plugin-registration.sh
+++ b/hack/update-generated-kubelet-plugin-registration.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright 2018 The Kubernetes Authors.
 #
diff --git a/hack/verify-generated-kubelet-plugin-registration.sh b/hack/verify-generated-kubelet-plugin-registration.sh
index b8b7018bcfe..44472894c7f 100755
--- a/hack/verify-generated-kubelet-plugin-registration.sh
+++ b/hack/verify-generated-kubelet-plugin-registration.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright 2018 The Kubernetes Authors.
 #