diff --git a/android/build.gradle b/android/build.gradle
index 0dfdc1f..41e86c5 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -23,6 +23,7 @@ apply plugin: 'com.android.library'
 
 android {
     compileSdkVersion 30
+    namespace "com.example.flutter_sim_country_code"
 
     defaultConfig {
         minSdkVersion 16