diff --git a/util/analyze-gnu-results.sh b/util/analyze-gnu-results.sh
old mode 100644
new mode 100755
index 045e3b93d..76ade340f
--- a/util/analyze-gnu-results.sh
+++ b/util/analyze-gnu-results.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # spell-checker:ignore xpass XPASS testsuite
 set -e
 
diff --git a/util/android-commands.sh b/util/android-commands.sh
index 4b504de56..652e3d992 100755
--- a/util/android-commands.sh
+++ b/util/android-commands.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # spell-checker:ignore termux keyevent sdcard binutils unmatch adb's dumpsys logcat pkill nextest logfile
 
 # There are three shells: the host's, adb, and termux. Only adb lets us run
diff --git a/util/build-gnu.sh b/util/build-gnu.sh
index 2d79bd710..c8bd908b0 100755
--- a/util/build-gnu.sh
+++ b/util/build-gnu.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # `build-gnu.bash` ~ builds GNU coreutils (from supplied sources)
 #