diff --git a/android/app/build.gradle b/android/app/build.gradle
index c11ef42..8dd6e45 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -33,7 +33,7 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId = "eu.twonly"
+        applicationId = "eu.twonly.testing"
         multiDexEnabled true
         // You can update the following values to match your application needs.
         // For more information, see: https://flutter.dev/to/review-gradle-config.