diff --git a/cscan.sh b/cscan.sh
index 2d2eb86..6ba4b76 100755
--- a/cscan.sh
+++ b/cscan.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 pushd "$(dirname ${BASH_SOURCE[0]})" > /dev/null
 if [ ! -d ./tlslite ]; then
     echo -e "\n${BASH_SOURCE[0]}: tlslite-ng not found, downloading..." 1>&2
diff --git a/top1m/make_ca_files.sh b/top1m/make_ca_files.sh
index a536f90..528da65 100755
--- a/top1m/make_ca_files.sh
+++ b/top1m/make_ca_files.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 if [[ ${1,,} == "-h" ]] || [[ ${1,,} == "-help" ]] || \
     [[ ${1,,} == "-help" ]] || [[ ${#} -lt 1 ]]; then
diff --git a/top1m/make_ca_trusted.sh b/top1m/make_ca_trusted.sh
index e5df79e..5a299d1 100755
--- a/top1m/make_ca_trusted.sh
+++ b/top1m/make_ca_trusted.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 if [[ ${1,,} == "-h" ]] || [[ ${1,,} == "-help" ]] || \
     [[ ${1,,} == "--help" ]]; then
diff --git a/top1m/process-certificate-statistics.sh b/top1m/process-certificate-statistics.sh
index dbf01e9..c7d7109 100755
--- a/top1m/process-certificate-statistics.sh
+++ b/top1m/process-certificate-statistics.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 if [ ! -d ./ca_files ]; then
     echo "Directory with collected CA certificates missing!" >&2