diff --git a/keyserver/bash/backup-phabricator.sh b/keyserver/bash/backup-phabricator.sh
--- a/keyserver/bash/backup-phabricator.sh
+++ b/keyserver/bash/backup-phabricator.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # run as: ssh user on root wheel
 # run from: wherever
diff --git a/keyserver/bash/deploy.sh b/keyserver/bash/deploy.sh
--- a/keyserver/bash/deploy.sh
+++ b/keyserver/bash/deploy.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # run as: ssh user on root wheel
 # run from: wherever
diff --git a/keyserver/bash/run-prod.sh b/keyserver/bash/run-prod.sh
--- a/keyserver/bash/run-prod.sh
+++ b/keyserver/bash/run-prod.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # run as: node user
 # run from: keyserver dir
diff --git a/keyserver/bash/setup.sh b/keyserver/bash/setup.sh
--- a/keyserver/bash/setup.sh
+++ b/keyserver/bash/setup.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # run as: node user
 # run from: root of repo
diff --git a/keyserver/bash/source-nvm.sh b/keyserver/bash/source-nvm.sh
--- a/keyserver/bash/source-nvm.sh
+++ b/keyserver/bash/source-nvm.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # source as: logged in user
 # source from: package.json (via npm/yarn scripts)
diff --git a/services/scripts/build_base_image.sh b/services/scripts/build_base_image.sh
--- a/services/scripts/build_base_image.sh
+++ b/services/scripts/build_base_image.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 
diff --git a/services/scripts/list_services.sh b/services/scripts/list_services.sh
--- a/services/scripts/list_services.sh
+++ b/services/scripts/list_services.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 
diff --git a/services/scripts/run_all_services.sh b/services/scripts/run_all_services.sh
--- a/services/scripts/run_all_services.sh
+++ b/services/scripts/run_all_services.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 
diff --git a/services/scripts/run_server_image.sh b/services/scripts/run_server_image.sh
--- a/services/scripts/run_server_image.sh
+++ b/services/scripts/run_server_image.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 
diff --git a/services/scripts/test_all_services.sh b/services/scripts/test_all_services.sh
--- a/services/scripts/test_all_services.sh
+++ b/services/scripts/test_all_services.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 
diff --git a/services/scripts/test_service.sh b/services/scripts/test_service.sh
--- a/services/scripts/test_service.sh
+++ b/services/scripts/test_service.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e