diff --git a/contrib/ci-builders/docker-build.sh b/contrib/ci-builders/docker-build.sh
index 232c5b9b1..498cbbac6 100755
--- a/contrib/ci-builders/docker-build.sh
+++ b/contrib/ci-builders/docker-build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -exo pipefail
 # Debian 9
 docker build . -f Dockerfile-build-python.apt --build-arg FROMBASEOS=debian --build-arg FROMBASEOS_BUILD_TAG=9 -t electriccoinco/zcashd-build-debian9
diff --git a/contrib/docker/entrypoint.sh b/contrib/docker/entrypoint.sh
index 984ec3e49..f9717102f 100755
--- a/contrib/docker/entrypoint.sh
+++ b/contrib/docker/entrypoint.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -eo pipefail
 
diff --git a/qa/zcash/performance-measurements.sh b/qa/zcash/performance-measurements.sh
index 2b2d96df9..9d18ef830 100755
--- a/qa/zcash/performance-measurements.sh
+++ b/qa/zcash/performance-measurements.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -u
 
 
diff --git a/zcutil/build-debian-package.sh b/zcutil/build-debian-package.sh
index 870530083..3165c469a 100755
--- a/zcutil/build-debian-package.sh
+++ b/zcutil/build-debian-package.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 ## Usage:
 ##  ./zcutil/build-debian-package.sh
 
diff --git a/zcutil/cleanup-tags.sh b/zcutil/cleanup-tags.sh
index 0d01d2d63..50e571382 100755
--- a/zcutil/cleanup-tags.sh
+++ b/zcutil/cleanup-tags.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Warning: This deletes tags on "origin", so point that at the right target!
 #
diff --git a/zcutil/fetch-params.sh b/zcutil/fetch-params.sh
index b8b9b8201..9f89b5a74 100755
--- a/zcutil/fetch-params.sh
+++ b/zcutil/fetch-params.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -eu
 
diff --git a/zcutil/make-release.py b/zcutil/make-release.py
index 67f10e2c9..8134bdfde 100755
--- a/zcutil/make-release.py
+++ b/zcutil/make-release.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python3
+#!/usr/bin/env python3
 
 import os
 import re
diff --git a/zcutil/release-notes.py b/zcutil/release-notes.py
index b39277ab3..91b145fb2 100755
--- a/zcutil/release-notes.py
+++ b/zcutil/release-notes.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python3
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 import re, os, os.path