diff --git a/libphonenumber_plugin/CHANGELOG.md b/libphonenumber_plugin/CHANGELOG.md
index 83d3182..9f3024a 100644
--- a/libphonenumber_plugin/CHANGELOG.md
+++ b/libphonenumber_plugin/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.4.0
+* Upgraded to gradle 8 for Android
+* Updated libphonenumber to version 8.13.16
+
 ## 0.3.1
 * Added phone format to normalized phone number
 
diff --git a/libphonenumber_plugin/android/build.gradle b/libphonenumber_plugin/android/build.gradle
index 46bc5bc..00116ba 100644
--- a/libphonenumber_plugin/android/build.gradle
+++ b/libphonenumber_plugin/android/build.gradle
@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.2.0'
+        classpath 'com.android.tools.build:gradle:8.0.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -25,7 +25,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdkVersion 31
+    compileSdkVersion 33
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -45,6 +45,8 @@ android {
     }
 
     dependencies {
-        api 'com.googlecode.libphonenumber:libphonenumber:8.13.4'
+        implementation 'com.googlecode.libphonenumber:libphonenumber:8.13.16'
     }
+
+    namespace 'com.example.libphonenumber_plugin'
 }
diff --git a/libphonenumber_plugin/example/android/app/build.gradle b/libphonenumber_plugin/example/android/app/build.gradle
index b52183a..0a4b628 100644
--- a/libphonenumber_plugin/example/android/app/build.gradle
+++ b/libphonenumber_plugin/example/android/app/build.gradle
@@ -60,6 +60,7 @@ android {
             signingConfig signingConfigs.debug
         }
     }
+    namespace 'com.example.example'
 }
 
 flutter {
diff --git a/libphonenumber_plugin/example/android/app/src/debug/AndroidManifest.xml b/libphonenumber_plugin/example/android/app/src/debug/AndroidManifest.xml
index 45d523a..399f698 100644
--- a/libphonenumber_plugin/example/android/app/src/debug/AndroidManifest.xml
+++ b/libphonenumber_plugin/example/android/app/src/debug/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.example">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/libphonenumber_plugin/example/android/app/src/main/AndroidManifest.xml b/libphonenumber_plugin/example/android/app/src/main/AndroidManifest.xml
index 3f41384..e76d500 100644
--- a/libphonenumber_plugin/example/android/app/src/main/AndroidManifest.xml
+++ b/libphonenumber_plugin/example/android/app/src/main/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.example">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <application
         android:label="example"
         android:name="${applicationName}"
diff --git a/libphonenumber_plugin/example/android/app/src/profile/AndroidManifest.xml b/libphonenumber_plugin/example/android/app/src/profile/AndroidManifest.xml
index 45d523a..399f698 100644
--- a/libphonenumber_plugin/example/android/app/src/profile/AndroidManifest.xml
+++ b/libphonenumber_plugin/example/android/app/src/profile/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.example">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/libphonenumber_plugin/example/android/build.gradle b/libphonenumber_plugin/example/android/build.gradle
index 713d7f6..1e35c74 100644
--- a/libphonenumber_plugin/example/android/build.gradle
+++ b/libphonenumber_plugin/example/android/build.gradle
@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '1.8.0'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.2.0'
+        classpath 'com.android.tools.build:gradle:8.0.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
diff --git a/libphonenumber_plugin/example/android/gradle.properties b/libphonenumber_plugin/example/android/gradle.properties
index 94adc3a..b9a9a24 100644
--- a/libphonenumber_plugin/example/android/gradle.properties
+++ b/libphonenumber_plugin/example/android/gradle.properties
@@ -1,3 +1,6 @@
 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
+android.defaults.buildfeatures.buildconfig=true
+android.nonTransitiveRClass=false
+android.nonFinalResIds=false
diff --git a/libphonenumber_plugin/example/android/gradle/wrapper/gradle-wrapper.properties b/libphonenumber_plugin/example/android/gradle/wrapper/gradle-wrapper.properties
index 3c472b9..8bc9958 100644
--- a/libphonenumber_plugin/example/android/gradle/wrapper/gradle-wrapper.properties
+++ b/libphonenumber_plugin/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-all.zip
diff --git a/libphonenumber_plugin/pubspec.yaml b/libphonenumber_plugin/pubspec.yaml
index 0b4600d..e43bd3a 100644
--- a/libphonenumber_plugin/pubspec.yaml
+++ b/libphonenumber_plugin/pubspec.yaml
@@ -1,6 +1,6 @@
 name: libphonenumber_plugin
 description: Flutter package for Google libphonenumber, for Android and Web. Uses Flutter Federated Package for interoperability.
-version: 0.3.2
+version: 0.4.0
 homepage: https://github.com/natintosh/plugin_libphonenumber.git
 
 environment:
@@ -14,7 +14,6 @@ dependencies:
     sdk: flutter
 
   libphonenumber_platform_interface: ^0.4.1
-
   libphonenumber_web: ^0.3.0
 
 dev_dependencies: