diff --git a/easy-rsa/2.0/build-ca b/easy-rsa/2.0/build-ca
index fb1e2ca7..bce29a6a 100755
--- a/easy-rsa/2.0/build-ca
+++ b/easy-rsa/2.0/build-ca
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 #
 # Build a root certificate
diff --git a/easy-rsa/2.0/build-dh b/easy-rsa/2.0/build-dh
index f019222e..4beb127f 100755
--- a/easy-rsa/2.0/build-dh
+++ b/easy-rsa/2.0/build-dh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Build Diffie-Hellman parameters for the server side
 # of an SSL/TLS connection.
diff --git a/easy-rsa/2.0/build-inter b/easy-rsa/2.0/build-inter
index f831d6f7..87bf98d4 100755
--- a/easy-rsa/2.0/build-inter
+++ b/easy-rsa/2.0/build-inter
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Make an intermediate CA certificate/private key pair using a locally generated
 # root certificate.
diff --git a/easy-rsa/2.0/build-key b/easy-rsa/2.0/build-key
index 61963083..6c0fed82 100755
--- a/easy-rsa/2.0/build-key
+++ b/easy-rsa/2.0/build-key
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Make a certificate/private key pair using a locally generated
 # root certificate.
diff --git a/easy-rsa/2.0/build-key-pass b/easy-rsa/2.0/build-key-pass
index 35543e0b..8ef83077 100755
--- a/easy-rsa/2.0/build-key-pass
+++ b/easy-rsa/2.0/build-key-pass
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Similar to build-key, but protect the private key
 # with a password.
diff --git a/easy-rsa/2.0/build-key-pkcs12 b/easy-rsa/2.0/build-key-pkcs12
index 5ef064ff..ba90e6ad 100755
--- a/easy-rsa/2.0/build-key-pkcs12
+++ b/easy-rsa/2.0/build-key-pkcs12
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Make a certificate/private key pair using a locally generated
 # root certificate and convert it to a PKCS #12 file including the
diff --git a/easy-rsa/2.0/build-key-server b/easy-rsa/2.0/build-key-server
index 55026755..fee01948 100755
--- a/easy-rsa/2.0/build-key-server
+++ b/easy-rsa/2.0/build-key-server
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Make a certificate/private key pair using a locally generated
 # root certificate.
diff --git a/easy-rsa/2.0/build-req b/easy-rsa/2.0/build-req
index 26587d16..559d512e 100755
--- a/easy-rsa/2.0/build-req
+++ b/easy-rsa/2.0/build-req
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Build a certificate signing request and private key.  Use this
 # when your root certificate and key is not available locally.
diff --git a/easy-rsa/2.0/build-req-pass b/easy-rsa/2.0/build-req-pass
index 6e6c8637..b73ee1b5 100755
--- a/easy-rsa/2.0/build-req-pass
+++ b/easy-rsa/2.0/build-req-pass
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Like build-req, but protect your private key
 # with a password.
diff --git a/easy-rsa/2.0/clean-all b/easy-rsa/2.0/clean-all
index 0576db5f..cc6e3b2f 100755
--- a/easy-rsa/2.0/clean-all
+++ b/easy-rsa/2.0/clean-all
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Initialize the $KEY_DIR directory.
 # Note that this script does a
diff --git a/easy-rsa/2.0/inherit-inter b/easy-rsa/2.0/inherit-inter
index 21019516..aaa51688 100755
--- a/easy-rsa/2.0/inherit-inter
+++ b/easy-rsa/2.0/inherit-inter
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Build a new PKI which is rooted on an intermediate certificate generated
 # by ./build-inter or ./pkitool --inter from a parent PKI.  The new PKI should
diff --git a/easy-rsa/2.0/list-crl b/easy-rsa/2.0/list-crl
index afc0cd61..d1d8a69c 100755
--- a/easy-rsa/2.0/list-crl
+++ b/easy-rsa/2.0/list-crl
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # list revoked certificates
 
diff --git a/easy-rsa/2.0/revoke-full b/easy-rsa/2.0/revoke-full
index efc94e86..4169c4ca 100755
--- a/easy-rsa/2.0/revoke-full
+++ b/easy-rsa/2.0/revoke-full
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # revoke a certificate, regenerate CRL,
 # and verify revocation
diff --git a/easy-rsa/2.0/sign-req b/easy-rsa/2.0/sign-req
index 38655d35..6cae7b4e 100755
--- a/easy-rsa/2.0/sign-req
+++ b/easy-rsa/2.0/sign-req
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Sign a certificate signing request (a .csr file)
 # with a local root certificate and key.
diff --git a/sample-config-files/firewall.sh b/sample-config-files/firewall.sh
index f0db8063..19d75ee9 100755
--- a/sample-config-files/firewall.sh
+++ b/sample-config-files/firewall.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # A Sample OpenVPN-aware firewall.
 
diff --git a/sample-scripts/bridge-start b/sample-scripts/bridge-start
index bfbbdc58..d20a2603 100755
--- a/sample-scripts/bridge-start
+++ b/sample-scripts/bridge-start
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 #################################
 # Set up Ethernet bridge on Linux
diff --git a/sample-scripts/bridge-stop b/sample-scripts/bridge-stop
index d4528937..81927794 100755
--- a/sample-scripts/bridge-stop
+++ b/sample-scripts/bridge-stop
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 ####################################
 # Tear Down Ethernet bridge on Linux