diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index f15a903..2292e49 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -15,7 +15,8 @@
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
-            android:windowSoftInputMode="adjustResize">
+            android:windowSoftInputMode="adjustResize"
+            android:exported="false">
             <!-- Specifies an Android theme to apply to this Activity as soon as
                  the Android process has started. This theme is visible to the user
                  while the Flutter UI initializes. After that, this theme continues
diff --git a/scripts/release-playstore-beta.sh b/scripts/release-playstore-beta.sh
index 2ec0774..e197c2f 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 clean
 flutter pub get
 flutter build appbundle --target-platform android-arm,android-arm64,android-x64