diff --git a/configs/baseline/build.sh b/configs/baseline/build.sh
index ad0b529..45e76cf 100755
--- a/configs/baseline/build.sh
+++ b/configs/baseline/build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e -u
 
diff --git a/configs/releng/airootfs/root/.automated_script.sh b/configs/releng/airootfs/root/.automated_script.sh
index ce29d73..ed3a924 100755
--- a/configs/releng/airootfs/root/.automated_script.sh
+++ b/configs/releng/airootfs/root/.automated_script.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 script_cmdline ()
 {
diff --git a/configs/releng/airootfs/root/customize_airootfs.sh b/configs/releng/airootfs/root/customize_airootfs.sh
index 5be4027..bd9a799 100755
--- a/configs/releng/airootfs/root/customize_airootfs.sh
+++ b/configs/releng/airootfs/root/customize_airootfs.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e -u
 
diff --git a/configs/releng/build.sh b/configs/releng/build.sh
index 73d22c8..7974ab1 100755
--- a/configs/releng/build.sh
+++ b/configs/releng/build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e -u