diff --git a/.presubmit/context b/.presubmit/context
index b7d6ef971..520f09c6b 100755
--- a/.presubmit/context
+++ b/.presubmit/context
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 echo "** presubmit/$(basename $0)"
 
diff --git a/.presubmit/filename-hyphen b/.presubmit/filename-hyphen
index e08f2b16e..de66a06c7 100755
--- a/.presubmit/filename-hyphen
+++ b/.presubmit/filename-hyphen
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 echo "** presubmit/$(basename $0)"
 
diff --git a/.presubmit/import-testing b/.presubmit/import-testing
index 42d00bcfc..ad33bda90 100755
--- a/.presubmit/import-testing
+++ b/.presubmit/import-testing
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 echo "** presubmit/$(basename $0)"
 
diff --git a/.presubmit/test-lowercase b/.presubmit/test-lowercase
index 705228886..8eaadb514 100755
--- a/.presubmit/test-lowercase
+++ b/.presubmit/test-lowercase
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 echo "** presubmit/$(basename $0)"
 
diff --git a/.presubmit/trailing-whitespace b/.presubmit/trailing-whitespace
index 3a7993908..05e270c8c 100755
--- a/.presubmit/trailing-whitespace
+++ b/.presubmit/trailing-whitespace
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 echo "** presubmit/$(basename $0)"