diff --git a/bin/create_agent_keypair b/bin/create_agent_keypair
index 5215ba3..5706dbf 100755
--- a/bin/create_agent_keypair
+++ b/bin/create_agent_keypair
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 ## This script creates an "agent keypair".  The private key is stored on an agent, and is used to
 ## encrypt/decrypt a per-repository symmetric key.
diff --git a/hooks/environment.agent b/hooks/environment.agent
index 51d3e10..13433af 100755
--- a/hooks/environment.agent
+++ b/hooks/environment.agent
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -eou pipefail
 
diff --git a/hooks/post-checkout b/hooks/post-checkout
index 0713efd..d8f1174 100755
--- a/hooks/post-checkout
+++ b/hooks/post-checkout
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 ## post-checkout hook: This hook performs the actual decryption of secrets
 
diff --git a/hooks/post-command b/hooks/post-command
index f9014ad..65488f7 100755
--- a/hooks/post-command
+++ b/hooks/post-command
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 ## post-command hook: This hook implements treehash verification and pipeline launching