diff --git a/script/bootstrap b/script/bootstrap
index 99756046..054a2c24 100755
--- a/script/bootstrap
+++ b/script/bootstrap
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 script/branding
 bundle install -j8
diff --git a/script/branding b/script/branding
index 2df6c670..2708f4d1 100755
--- a/script/branding
+++ b/script/branding
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 
 echo " ---------------------------------------------------------- "
 echo "          _   ______   _  __ __     __  _        _          "
diff --git a/script/cibuild b/script/cibuild
index dade701b..afafd7d0 100755
--- a/script/cibuild
+++ b/script/cibuild
@@ -1,4 +1,4 @@
-#! /bin/bash -e
+#!/usr/bin/env bash
 
 script/branding
 
diff --git a/script/cucumber b/script/cucumber
index 31a9be63..13508c84 100755
--- a/script/cucumber
+++ b/script/cucumber
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 if ruby --version | grep -q "jruby"
 then
diff --git a/script/proof b/script/proof
index 7c90b753..c8fff908 100755
--- a/script/proof
+++ b/script/proof
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 #
 # Usage:
 #   script/proof
diff --git a/script/rebund b/script/rebund
index 2e8d3b1f..d2ff7901 100755
--- a/script/rebund
+++ b/script/rebund
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # rebund(1)
 #
diff --git a/script/rubyprof b/script/rubyprof
index cac68ae7..520dc86e 100755
--- a/script/rubyprof
+++ b/script/rubyprof
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+
 export BENCHMARK=1
 
 TEST_SCRIPT="Jekyll::Commands::Build.process({'source' => 'site', 'full_rebuild' => true})"
diff --git a/script/test b/script/test
index e4e44f09..5aab2f06 100755
--- a/script/test
+++ b/script/test
@@ -1,4 +1,5 @@
-#! /bin/bash -e
+#!/usr/bin/env bash
+set -e
 
 # Usage:
 #   script/test <test_file>