diff --git a/karte_core/android/build.gradle b/karte_core/android/build.gradle
index 8879747..749bc49 100644
--- a/karte_core/android/build.gradle
+++ b/karte_core/android/build.gradle
@@ -28,6 +28,10 @@ apply plugin: 'com.android.library'
 android {
     compileSdkVersion 31
 
+    if (project.android.hasProperty("namespace")) {
+        namespace 'io.karte.flutter.core'
+    }
+
     defaultConfig {
         minSdkVersion 16
         versionName version
diff --git a/karte_in_app_messaging/android/build.gradle b/karte_in_app_messaging/android/build.gradle
index 5cdac13..9ef0458 100644
--- a/karte_in_app_messaging/android/build.gradle
+++ b/karte_in_app_messaging/android/build.gradle
@@ -24,6 +24,10 @@ apply plugin: 'com.android.library'
 android {
     compileSdkVersion 31
 
+    if (project.android.hasProperty("namespace")) {
+        namespace 'io.karte.flutter.inappmessaging'
+    }
+
     defaultConfig {
         minSdkVersion 16
     }
diff --git a/karte_notification/android/build.gradle b/karte_notification/android/build.gradle
index 4468c73..1376e61 100644
--- a/karte_notification/android/build.gradle
+++ b/karte_notification/android/build.gradle
@@ -24,6 +24,10 @@ apply plugin: 'com.android.library'
 android {
     compileSdkVersion 31
 
+    if (project.android.hasProperty("namespace")) {
+        namespace 'io.karte.flutter.notifications'
+    }
+
     defaultConfig {
         minSdkVersion 16
     }
diff --git a/karte_variables/android/build.gradle b/karte_variables/android/build.gradle
index f1b0a0b..462e6e7 100644
--- a/karte_variables/android/build.gradle
+++ b/karte_variables/android/build.gradle
@@ -24,6 +24,10 @@ apply plugin: 'com.android.library'
 android {
     compileSdkVersion 31
 
+    if (project.android.hasProperty("namespace")) {
+        namespace 'io.karte.flutter.variables'
+    }
+
     defaultConfig {
         minSdkVersion 16
     }
diff --git a/karte_visual_tracking/android/build.gradle b/karte_visual_tracking/android/build.gradle
index 35d6be1..441653e 100644
--- a/karte_visual_tracking/android/build.gradle
+++ b/karte_visual_tracking/android/build.gradle
@@ -24,6 +24,10 @@ apply plugin: 'com.android.library'
 android {
     compileSdkVersion 31
 
+    if (project.android.hasProperty("namespace")) {
+        namespace 'io.karte.flutter.visual_tracking'
+    }
+
     defaultConfig {
         minSdkVersion 16
     }