diff --git a/model/base-aemv8a-latest-revb.sh b/model/base-aemv8a-latest-revb.sh
index 64688de..9047477 100644
--- a/model/base-aemv8a-latest-revb.sh
+++ b/model/base-aemv8a-latest-revb.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/base-aemv8a-quad.sh b/model/base-aemv8a-quad.sh
index 9dfeb4b..6ba94f2 100644
--- a/model/base-aemv8a-quad.sh
+++ b/model/base-aemv8a-quad.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/base-aemv8a-revb.sh b/model/base-aemv8a-revb.sh
index 3e9a174..3c6e9f5 100644
--- a/model/base-aemv8a-revb.sh
+++ b/model/base-aemv8a-revb.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/base-aemv8a.sh b/model/base-aemv8a.sh
index 305613f..931f034 100644
--- a/model/base-aemv8a.sh
+++ b/model/base-aemv8a.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019-2020, Arm Limited. All rights reserved.
 #
diff --git a/model/base-aemva-common.sh b/model/base-aemva-common.sh
index 00cc756..3fe1a9a 100644
--- a/model/base-aemva-common.sh
+++ b/model/base-aemva-common.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019-2020, Arm Limited. All rights reserved.
 #
diff --git a/model/base-aemva.sh b/model/base-aemva.sh
index 7bea9cc..729b4c4 100644
--- a/model/base-aemva.sh
+++ b/model/base-aemva.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a32x4.sh b/model/cortex-a32x4.sh
index 3296b16..482c6b7 100644
--- a/model/cortex-a32x4.sh
+++ b/model/cortex-a32x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a35x4.sh b/model/cortex-a35x4.sh
index 5f95339..56ba9d5 100644
--- a/model/cortex-a35x4.sh
+++ b/model/cortex-a35x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a53x4.sh b/model/cortex-a53x4.sh
index c953437..399591b 100644
--- a/model/cortex-a53x4.sh
+++ b/model/cortex-a53x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a55x4-a75x4.sh b/model/cortex-a55x4-a75x4.sh
index 707e9ff..4f28d2a 100644
--- a/model/cortex-a55x4-a75x4.sh
+++ b/model/cortex-a55x4-a75x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a55x4-a76x2.sh b/model/cortex-a55x4-a76x2.sh
index 770987a..51e358a 100644
--- a/model/cortex-a55x4-a76x2.sh
+++ b/model/cortex-a55x4-a76x2.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a55x4.sh b/model/cortex-a55x4.sh
index 0a4b619..3d0aa00 100644
--- a/model/cortex-a55x4.sh
+++ b/model/cortex-a55x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a57x1-a53x1.sh b/model/cortex-a57x1-a53x1.sh
index f046b2a..53befa6 100644
--- a/model/cortex-a57x1-a53x1.sh
+++ b/model/cortex-a57x1-a53x1.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a57x2-a53x4.sh b/model/cortex-a57x2-a53x4.sh
index 024c8de..a4a67d9 100644
--- a/model/cortex-a57x2-a53x4.sh
+++ b/model/cortex-a57x2-a53x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a57x4-a53x4.sh b/model/cortex-a57x4-a53x4.sh
index fd5e277..b69c62a 100644
--- a/model/cortex-a57x4-a53x4.sh
+++ b/model/cortex-a57x4-a53x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a57x4.sh b/model/cortex-a57x4.sh
index 2b5b73c..bd7774e 100644
--- a/model/cortex-a57x4.sh
+++ b/model/cortex-a57x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a65aex8.sh b/model/cortex-a65aex8.sh
index 5ae60bf..e017626 100644
--- a/model/cortex-a65aex8.sh
+++ b/model/cortex-a65aex8.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019-2020, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a65x4.sh b/model/cortex-a65x4.sh
index dd0dc30..dd6a552 100644
--- a/model/cortex-a65x4.sh
+++ b/model/cortex-a65x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019-2020, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a72x4-a53x4.sh b/model/cortex-a72x4-a53x4.sh
index d0d0c7c..80b9049 100644
--- a/model/cortex-a72x4-a53x4.sh
+++ b/model/cortex-a72x4-a53x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a72x4.sh b/model/cortex-a72x4.sh
index 609c183..9564c5c 100644
--- a/model/cortex-a72x4.sh
+++ b/model/cortex-a72x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a73x4-a53x4.sh b/model/cortex-a73x4-a53x4.sh
index 9ce32cd..2bdb72c 100644
--- a/model/cortex-a73x4-a53x4.sh
+++ b/model/cortex-a73x4-a53x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a73x4.sh b/model/cortex-a73x4.sh
index 802def2..34df01b 100644
--- a/model/cortex-a73x4.sh
+++ b/model/cortex-a73x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a75x4.sh b/model/cortex-a75x4.sh
index b075d9f..d1f5d04 100644
--- a/model/cortex-a75x4.sh
+++ b/model/cortex-a75x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a76aex4.sh b/model/cortex-a76aex4.sh
index 4de43bb..0de31a6 100644
--- a/model/cortex-a76aex4.sh
+++ b/model/cortex-a76aex4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a76x4.sh b/model/cortex-a76x4.sh
index 635fbf0..c86efb2 100644
--- a/model/cortex-a76x4.sh
+++ b/model/cortex-a76x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/cortex-a77x4.sh b/model/cortex-a77x4.sh
index 3173abe..5baddb3 100644
--- a/model/cortex-a77x4.sh
+++ b/model/cortex-a77x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/css-rde1edge.sh b/model/css-rde1edge.sh
index 84c0a12..32709de 100644
--- a/model/css-rde1edge.sh
+++ b/model/css-rde1edge.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/css-rdn1edge.sh b/model/css-rdn1edge.sh
index 3c994ee..d8879ae 100644
--- a/model/css-rdn1edge.sh
+++ b/model/css-rdn1edge.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/css-sgi575.sh b/model/css-sgi575.sh
index 89bbc78..9022dc7 100644
--- a/model/css-sgi575.sh
+++ b/model/css-sgi575.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/css-sgm775.sh b/model/css-sgm775.sh
index e8fa9f5..768954f 100644
--- a/model/css-sgm775.sh
+++ b/model/css-sgm775.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/foundationv8.sh b/model/foundationv8.sh
index 40b41e8..136ef07 100644
--- a/model/foundationv8.sh
+++ b/model/foundationv8.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/hercules.sh b/model/hercules.sh
index dadb4c0..bcb598d 100644
--- a/model/hercules.sh
+++ b/model/hercules.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set_model_path "$warehouse/SysGen/Models/$model_version/$model_build/models/$model_flavour/FVP_Base_Herculesx4"
 
diff --git a/model/neoverse_e1x1.sh b/model/neoverse_e1x1.sh
index 4d3c354..064eb5b 100644
--- a/model/neoverse_e1x1.sh
+++ b/model/neoverse_e1x1.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2020, Arm Limited. All rights reserved.
 #
diff --git a/model/neoverse_e1x2.sh b/model/neoverse_e1x2.sh
index 175db2c..c413a05 100644
--- a/model/neoverse_e1x2.sh
+++ b/model/neoverse_e1x2.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2020, Arm Limited. All rights reserved.
 #
diff --git a/model/neoverse_e1x4.sh b/model/neoverse_e1x4.sh
index 261595f..4e165c0 100644
--- a/model/neoverse_e1x4.sh
+++ b/model/neoverse_e1x4.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2020, Arm Limited. All rights reserved.
 #
diff --git a/model/neoverse_n1.sh b/model/neoverse_n1.sh
index cbe655b..514aa25 100644
--- a/model/neoverse_n1.sh
+++ b/model/neoverse_n1.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #
diff --git a/model/tc0.sh b/model/tc0.sh
index 04576b3..cb4bf64 100644
--- a/model/tc0.sh
+++ b/model/tc0.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2020, Arm Limited. All rights reserved.
 #
diff --git a/model/zeus.sh b/model/zeus.sh
index 2cb8b12..452205c 100644
--- a/model/zeus.sh
+++ b/model/zeus.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright (c) 2019, Arm Limited. All rights reserved.
 #