diff --git a/bin/install-external-secrets.sh b/bin/install-external-secrets.sh
index 620523b7..6f334ef3 100755
--- a/bin/install-external-secrets.sh
+++ b/bin/install-external-secrets.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 set -o errexit
 
 CURRENT_DIR=$(pwd)
diff --git a/bin/install-hooks.sh b/bin/install-hooks.sh
index 7d1c790c..fef9219c 100755
--- a/bin/install-hooks.sh
+++ b/bin/install-hooks.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 mkdir -p "$(dirname -- "${BASH_SOURCE[0]}")/../.git/hooks/"
 PRE_COMMIT_FILE="$(dirname -- "${BASH_SOURCE[0]}")/../.git/hooks/pre-commit"
diff --git a/bin/start-kind.sh b/bin/start-kind.sh
index 326e61cd..015ca778 100755
--- a/bin/start-kind.sh
+++ b/bin/start-kind.sh
@@ -1,3 +1,3 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 curl https://raw.githubusercontent.com/numerique-gouv/tools/refs/heads/main/kind/create_cluster.sh | bash -s -- meet
diff --git a/bin/update-git-submodule.sh b/bin/update-git-submodule.sh
index 670cfef8..5ec8ff05 100755
--- a/bin/update-git-submodule.sh
+++ b/bin/update-git-submodule.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 git submodule update --init --recursive
 git submodule foreach 'git fetch origin; git checkout $(git rev-parse --abbrev-ref HEAD); git reset --hard origin/$(git rev-parse --abbrev-ref HEAD); git submodule update --recursive; git clean -dfx'
diff --git a/bin/update-keys.sh b/bin/update-keys.sh
index 43e2f9d4..6256c4ad 100644
--- a/bin/update-keys.sh
+++ b/bin/update-keys.sh
@@ -1,3 +1,3 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 find . -name "*.enc.*" -exec sops updatekeys -y {} \;
diff --git a/bin/validate-helm-configuration.sh b/bin/validate-helm-configuration.sh
index 4374ca29..3d155664 100755
--- a/bin/validate-helm-configuration.sh
+++ b/bin/validate-helm-configuration.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 
diff --git a/src/helm/meet/generate-readme.sh b/src/helm/meet/generate-readme.sh
index d5bbe2c0..f8060225 100755
--- a/src/helm/meet/generate-readme.sh
+++ b/src/helm/meet/generate-readme.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 docker image ls | grep readme-generator-for-helm
 if [ "$?" -ne "0" ]; then