diff --git a/ci/install-build-deps.sh b/ci/install-build-deps.sh
index dda00623..b64afb89 100755
--- a/ci/install-build-deps.sh
+++ b/ci/install-build-deps.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright lowRISC contributors.
 # Licensed under the Apache License, Version 2.0, see LICENSE for details.
 # SPDX-License-Identifier: Apache-2.0
diff --git a/ci/run-cosim-test.sh b/ci/run-cosim-test.sh
index 1165bf58..346e13c7 100755
--- a/ci/run-cosim-test.sh
+++ b/ci/run-cosim-test.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright lowRISC contributors.
 # Licensed under the Apache License, Version 2.0, see LICENSE for details.
 # SPDX-License-Identifier: Apache-2.0
diff --git a/dv/uvm/core_ibex/scripts/objdump.sh b/dv/uvm/core_ibex/scripts/objdump.sh
index cba84254..b3e37e9a 100755
--- a/dv/uvm/core_ibex/scripts/objdump.sh
+++ b/dv/uvm/core_ibex/scripts/objdump.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 _GET_OBJS=$(find ./out/run -type f -iregex '.*test\.o')
 if [[ -z "${RISCV_TOOLCHAIN}" ]]; then
    echo "Please define RISCV_TOOLCHAIN to have access to objdump."
diff --git a/dv/uvm/core_ibex/scripts/prettify.sh b/dv/uvm/core_ibex/scripts/prettify.sh
index 8f9b5c50..f95f9efd 100755
--- a/dv/uvm/core_ibex/scripts/prettify.sh
+++ b/dv/uvm/core_ibex/scripts/prettify.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 _GET_TRACES=$(find . -type f -iregex '.*trace_core.*\.log')
 for trace in $_GET_TRACES; do
     column -t -s $'\t' -o ' ' -R 1,2,3,4,5 "$trace" > "$(dirname "$trace")"/trace_pretty.log
diff --git a/examples/simple_system/spike-simple-system.sh b/examples/simple_system/spike-simple-system.sh
index c293790e..42ca3fdc 100755
--- a/examples/simple_system/spike-simple-system.sh
+++ b/examples/simple_system/spike-simple-system.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -u
 set -e
diff --git a/syn/lec_sv2v.sh b/syn/lec_sv2v.sh
index 10f2eaad..8ba08d72 100755
--- a/syn/lec_sv2v.sh
+++ b/syn/lec_sv2v.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright lowRISC contributors.
 # Licensed under the Apache License, Version 2.0, see LICENSE for details.
diff --git a/syn/python/build_translated_names.py b/syn/python/build_translated_names.py
index a17dc77b..d0c08d5c 100755
--- a/syn/python/build_translated_names.py
+++ b/syn/python/build_translated_names.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 # Copyright lowRISC contributors.
 # Licensed under the Apache License, Version 2.0, see LICENSE for details.
diff --git a/syn/python/get_kge.py b/syn/python/get_kge.py
index e0f463df..e2704eac 100755
--- a/syn/python/get_kge.py
+++ b/syn/python/get_kge.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 # Copyright lowRISC contributors.
 # Licensed under the Apache License, Version 2.0, see LICENSE for details.
diff --git a/syn/python/translate_timing_csv.py b/syn/python/translate_timing_csv.py
index fcac614b..037f749b 100755
--- a/syn/python/translate_timing_csv.py
+++ b/syn/python/translate_timing_csv.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 # Copyright lowRISC contributors.
 # Licensed under the Apache License, Version 2.0, see LICENSE for details.
diff --git a/syn/syn_setup.example.sh b/syn/syn_setup.example.sh
old mode 100644
new mode 100755
index ed56ff03..5d9a07d0
--- a/syn/syn_setup.example.sh
+++ b/syn/syn_setup.example.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright lowRISC contributors.
 # Licensed under the Apache License, Version 2.0, see LICENSE for details.
diff --git a/syn/syn_yosys.sh b/syn/syn_yosys.sh
index 9de09e8f..cca9e764 100755
--- a/syn/syn_yosys.sh
+++ b/syn/syn_yosys.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright lowRISC contributors.
 # Licensed under the Apache License, Version 2.0, see LICENSE for details.
diff --git a/syn/translate_timing_rpts.sh b/syn/translate_timing_rpts.sh
index e489a1e4..7bb6995f 100755
--- a/syn/translate_timing_rpts.sh
+++ b/syn/translate_timing_rpts.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright lowRISC contributors.
 # Licensed under the Apache License, Version 2.0, see LICENSE for details.