diff --git a/tools/cpp_gen.sh b/tools/cpp_gen.sh
index 0960f2bb0..56088c285 100755
--- a/tools/cpp_gen.sh
+++ b/tools/cpp_gen.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
 #
diff --git a/tools/dts/update-dts.sh b/tools/dts/update-dts.sh
index f4534e936..747bc15db 100755
--- a/tools/dts/update-dts.sh
+++ b/tools/dts/update-dts.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 #
 # Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
 #
diff --git a/tools/kernel_pylint.sh b/tools/kernel_pylint.sh
index bb856bbe3..7b683b973 100755
--- a/tools/kernel_pylint.sh
+++ b/tools/kernel_pylint.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
 #
diff --git a/tools/kernel_xmllint.sh b/tools/kernel_xmllint.sh
index 373d62a64..fb09925e5 100755
--- a/tools/kernel_xmllint.sh
+++ b/tools/kernel_xmllint.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
 #
diff --git a/tools/xmllint.sh b/tools/xmllint.sh
index ddd487e0d..9bd490f27 100755
--- a/tools/xmllint.sh
+++ b/tools/xmllint.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
 #