diff --git a/scripts/build-android-apk.sh b/scripts/build-android-apk.sh
index 3dfb4e028..33d87436b 100755
--- a/scripts/build-android-apk.sh
+++ b/scripts/build-android-apk.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 flutter channel stable
 flutter upgrade
 flutter pub get
diff --git a/scripts/build-android-debug.sh b/scripts/build-android-debug.sh
index a361afd64..38134d66a 100755
--- a/scripts/build-android-debug.sh
+++ b/scripts/build-android-debug.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 flutter channel stable
 flutter upgrade
 flutter build apk --debug -v
diff --git a/scripts/build-ios.sh b/scripts/build-ios.sh
index 9bb4f362b..d2b0515d3 100755
--- a/scripts/build-ios.sh
+++ b/scripts/build-ios.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 flutter channel stable
 flutter upgrade
 flutter clean
@@ -7,4 +7,4 @@ cd ios
 pod install
 pod update
 cd ..
-flutter build ios --release
\ No newline at end of file
+flutter build ios --release
diff --git a/scripts/build-linux.sh b/scripts/build-linux.sh
index b4aaa8cbf..879dea8ef 100755
--- a/scripts/build-linux.sh
+++ b/scripts/build-linux.sh
@@ -1,7 +1,7 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 flutter channel dev
 flutter upgrade
 flutter config --enable-linux-desktop
 flutter clean
 flutter pub get
-flutter build linux --release -v
\ No newline at end of file
+flutter build linux --release -v
diff --git a/scripts/build-macos.sh b/scripts/build-macos.sh
index f110fa528..c1dc2948e 100755
--- a/scripts/build-macos.sh
+++ b/scripts/build-macos.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 flutter channel dev
 flutter upgrade
 flutter config --enable-macos-desktop
@@ -8,4 +8,4 @@ cd macos
 pod install
 pod update
 cd ..
-flutter build macos --release
\ No newline at end of file
+flutter build macos --release
diff --git a/scripts/build-snap.sh b/scripts/build-snap.sh
index 9d6e44889..6a3dd8236 100755
--- a/scripts/build-snap.sh
+++ b/scripts/build-snap.sh
@@ -1,8 +1,8 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 'curl -L $(curl -H "X-Ubuntu-Series: 16" "https://api.snapcraft.io/api/v1/snaps/details/flutter?channel=latest/stable" | jq ".download_url" -r) --output flutter.snap'
 sudo mkdir -p /snap/flutter
 sudo unsquashfs -d /snap/flutter/current flutter.snap
 rm -f flutter.snap
 sudo ln -sf /snap/flutter/current/flutter.sh /snap/bin/flutter
 sudo ln -sf /snap/flutter/current/env.sh /snap/bin/env.sh
-snapcraft
\ No newline at end of file
+snapcraft
diff --git a/scripts/build-web.sh b/scripts/build-web.sh
index 787c07d3d..d6e11a16b 100755
--- a/scripts/build-web.sh
+++ b/scripts/build-web.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 flutter channel beta
 flutter upgrade
 flutter config --enable-web
diff --git a/scripts/code_analyze.sh b/scripts/code_analyze.sh
index d3ba7b600..54a767557 100755
--- a/scripts/code_analyze.sh
+++ b/scripts/code_analyze.sh
@@ -1,3 +1,3 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 flutter format lib/ test/ test_driver/ --set-exit-if-changed
-flutter analyze
\ No newline at end of file
+flutter analyze
diff --git a/scripts/open-mr.sh b/scripts/open-mr.sh
index d2d4b7d31..e79dcd821 100755
--- a/scripts/open-mr.sh
+++ b/scripts/open-mr.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 
 # source: https://about.gitlab.com/blog/2017/09/05/how-to-automatically-create-a-new-mr-on-gitlab-with-gitlab-ci/
 
diff --git a/scripts/prepare-android-release.sh b/scripts/prepare-android-release.sh
index 5fa4c2856..195e40c9d 100755
--- a/scripts/prepare-android-release.sh
+++ b/scripts/prepare-android-release.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 cd android
 echo $FDROID_KEY | base64 --decode --ignore-garbage > key.jks
 echo "storePassword=${FDROID_KEY_PASS}" >> key.properties
@@ -11,4 +11,4 @@ bundle update fastlane
 bundle exec fastlane set_build_code_internal
 cd app
 echo $GOOGLE_SERVICES >> google-services.json
-cd ../..
\ No newline at end of file
+cd ../..
diff --git a/scripts/prepare-web.sh b/scripts/prepare-web.sh
index 2ec48bf57..657031110 100755
--- a/scripts/prepare-web.sh
+++ b/scripts/prepare-web.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh -ve
 rm -r assets/js/package
 cd assets/js/ && curl -L 'https://gitlab.com/famedly/libraries/olm/-/jobs/artifacts/master/download?job=build_js' > olm.zip && cd ../../
 cd assets/js/ && unzip olm.zip && cd ../../
diff --git a/scripts/publish-snap-edge.sh b/scripts/publish-snap-edge.sh
index 3b5779d4e..08ad00030 100755
--- a/scripts/publish-snap-edge.sh
+++ b/scripts/publish-snap-edge.sh
@@ -1,6 +1,6 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 /bin/bash ./scripts/build-snap.sh
 echo $SNAPCRAFT_LOGIN_FILE | base64 --decode --ignore-garbage > snapcraft.login
 snapcraft login --with snapcraft.login
 snapcraft push --release=edge *.snap
-snapcraft logout
\ No newline at end of file
+snapcraft logout
diff --git a/scripts/publish-snap-stable.sh b/scripts/publish-snap-stable.sh
index fb58971f7..090f0e694 100755
--- a/scripts/publish-snap-stable.sh
+++ b/scripts/publish-snap-stable.sh
@@ -1,6 +1,6 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 /bin/bash ./scripts/build-snap.sh
 echo $SNAPCRAFT_LOGIN_FILE | base64 --decode --ignore-garbage > snapcraft.login
 snapcraft login --with snapcraft.login
 snapcraft push --release=stable *.snap
-snapcraft logout
\ No newline at end of file
+snapcraft logout
diff --git a/scripts/release-playstore-beta.sh b/scripts/release-playstore-beta.sh
index c728a9e32..7b7a63057 100755
--- a/scripts/release-playstore-beta.sh
+++ b/scripts/release-playstore-beta.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 flutter channel stable
 flutter upgrade
 flutter pub get
@@ -7,4 +7,4 @@ mkdir -p build/android
 cp build/app/outputs/bundle/release/app-release.aab build/android/
 cd android
 bundle exec fastlane deploy_internal_test
-cd ..
\ No newline at end of file
+cd ..
diff --git a/scripts/release-playstore.sh b/scripts/release-playstore.sh
index 8d5633ce1..c72318a51 100755
--- a/scripts/release-playstore.sh
+++ b/scripts/release-playstore.sh
@@ -1,7 +1,7 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 cd android
 bundle install
 bundle update fastlane
 echo $PLAYSTORE_DEPLOY_KEY >> keys.json
 bundle exec fastlane deploy_release
-cd ..
\ No newline at end of file
+cd ..
diff --git a/scripts/update-changelog.sh b/scripts/update-changelog.sh
index f513e45e5..9bfab7f5b 100755
--- a/scripts/update-changelog.sh
+++ b/scripts/update-changelog.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 flutter pub global activate changelog
 export PATH="$PATH":"$HOME/development/flutter/.pub-cache/bin"
-changelog -c
\ No newline at end of file
+changelog -c
diff --git a/scripts/update-dependencies.sh b/scripts/update-dependencies.sh
index 7fd1f6495..021987687 100755
--- a/scripts/update-dependencies.sh
+++ b/scripts/update-dependencies.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh -ve
 flutter pub get
 flutter pub pub run dapackages:dapackages.dart ./pubspec.yaml
-flutter pub get
\ No newline at end of file
+flutter pub get