diff --git a/packages/patapata_adjust/android/build.gradle b/packages/patapata_adjust/android/build.gradle
index d8217c0..0bf6210 100644
--- a/packages/patapata_adjust/android/build.gradle
+++ b/packages/patapata_adjust/android/build.gradle
@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:8.0.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -25,6 +25,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
+    namespace 'dev.patapata.patapata_adjust'
     compileSdkVersion 34
 
     compileOptions {
diff --git a/packages/patapata_core/android/build.gradle b/packages/patapata_core/android/build.gradle
index fbe0e33..a3d5fc8 100644
--- a/packages/patapata_core/android/build.gradle
+++ b/packages/patapata_core/android/build.gradle
@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:8.0.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "org.jetbrains.dokka:dokka-gradle-plugin:1.8.10"
     }
@@ -27,6 +27,7 @@ apply plugin: 'kotlin-android'
 apply plugin: 'org.jetbrains.dokka'
 
 android {
+    namespace 'dev.patapata.patapata_core'
     compileSdkVersion 34
 
     compileOptions {
diff --git a/packages/patapata_firebase_messaging/android/build.gradle b/packages/patapata_firebase_messaging/android/build.gradle
index ac6ace2..924b6c3 100644
--- a/packages/patapata_firebase_messaging/android/build.gradle
+++ b/packages/patapata_firebase_messaging/android/build.gradle
@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:8.0.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -25,6 +25,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
+    namespace 'dev.patapata.patapata_firebase_messaging'
     compileSdkVersion 34
 
     compileOptions {
diff --git a/packages/patapata_karte_core/android/build.gradle b/packages/patapata_karte_core/android/build.gradle
index 97122c8..02b102a 100644
--- a/packages/patapata_karte_core/android/build.gradle
+++ b/packages/patapata_karte_core/android/build.gradle
@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
+        classpath 'com.android.tools.build:gradle:8.0.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -25,6 +25,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
+    namespace 'dev.patapata.patapata_karte_core'
     compileSdkVersion 34
 
     compileOptions {