diff --git a/artifactserver/tools/get_workspace_status.sh b/artifactserver/tools/get_workspace_status.sh
index 8c4c9c343b2..7e38934f645 100755
--- a/artifactserver/tools/get_workspace_status.sh
+++ b/artifactserver/tools/get_workspace_status.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/dns/check-zone.sh b/dns/check-zone.sh
index 041a1ef5ed6..72c73fc8847 100755
--- a/dns/check-zone.sh
+++ b/dns/check-zone.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 #
 # This runs as you.  It assumes you have built an image named ${USER}/octodns.
 # It also requires working gcloud credentials
diff --git a/dns/push.sh b/dns/push.sh
index b0bc9c0b23a..7d553bf14ca 100755
--- a/dns/push.sh
+++ b/dns/push.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 # This runs as you.  It assumes you have built an image named ${USER}/octodns.
 
diff --git a/k8s.gcr.io/ensure-prod-repo.sh b/k8s.gcr.io/ensure-prod-repo.sh
index 531d3f544a6..811236774fa 100755
--- a/k8s.gcr.io/ensure-prod-repo.sh
+++ b/k8s.gcr.io/ensure-prod-repo.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 #
 # Copyright 2019 The Kubernetes Authors.
 #
diff --git a/k8s.gcr.io/ensure-staging-repo.sh b/k8s.gcr.io/ensure-staging-repo.sh
index 809b6b26bf3..7d89c0e5fb0 100755
--- a/k8s.gcr.io/ensure-staging-repo.sh
+++ b/k8s.gcr.io/ensure-staging-repo.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 #
 # Copyright 2019 The Kubernetes Authors.
 #
diff --git a/k8s.gcr.io/lib.sh b/k8s.gcr.io/lib.sh
index 1011991f8de..6e166deb27f 100755
--- a/k8s.gcr.io/lib.sh
+++ b/k8s.gcr.io/lib.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 #
 # Copyright 2019 The Kubernetes Authors.
 #
diff --git a/k8s.io/canary.sh b/k8s.io/canary.sh
index 544614ed30a..f1139044cf1 100755
--- a/k8s.io/canary.sh
+++ b/k8s.io/canary.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -o errexit
 set -o nounset