diff --git a/clutter/tests/interactive/meson/gen-test-unit-names.sh b/clutter/tests/interactive/meson/gen-test-unit-names.sh
index 1912d4695..1e21d3589 100755
--- a/clutter/tests/interactive/meson/gen-test-unit-names.sh
+++ b/clutter/tests/interactive/meson/gen-test-unit-names.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 outputfile=$1
 shift
diff --git a/cogl/tests/conform/meson/find-conform-unit-tests.sh b/cogl/tests/conform/meson/find-conform-unit-tests.sh
index 64ba14183..2c523aea9 100755
--- a/cogl/tests/conform/meson/find-conform-unit-tests.sh
+++ b/cogl/tests/conform/meson/find-conform-unit-tests.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 inputfile="$1"
 outputfile="$2"
diff --git a/cogl/tests/run-tests.sh b/cogl/tests/run-tests.sh
index 2316c7b0d..d5b839538 100755
--- a/cogl/tests/run-tests.sh
+++ b/cogl/tests/run-tests.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 if test -z "$G_DEBUG"; then
     G_DEBUG=fatal-warnings
diff --git a/cogl/tests/unit/meson/find-unit-tests.sh b/cogl/tests/unit/meson/find-unit-tests.sh
index c06aebc97..14370fb73 100755
--- a/cogl/tests/unit/meson/find-unit-tests.sh
+++ b/cogl/tests/unit/meson/find-unit-tests.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 inputfile="$1"
 outputfile="$2"