diff --git a/android/build.gradle b/android/build.gradle
index 4640937..f05420f 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -2,14 +2,14 @@ group 'com.simform.flutter_credit_card'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '1.9.20'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.1'
+        classpath 'com.android.tools.build:gradle:8.4.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -25,13 +25,26 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdk 31
+    // Conditional for compatibility with AGP <4.2.
+    if (project.android.hasProperty("namespace")) {
+        namespace 'io.flutter.plugins.firebase.crashlytics'
+    }
+
+    compileSdk 34
+
+    defaultConfig {
+        minSdkVersion 16
+    }
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
 
+    buildFeatures {
+        buildConfig = true
+    }
+
     kotlinOptions {
         jvmTarget = '1.8'
     }
@@ -41,7 +54,7 @@ android {
         test.java.srcDirs += 'src/test/kotlin'
     }
 
-    defaultConfig {
-        minSdkVersion 16
+    lintOptions {
+        disable 'InvalidPackage'
     }
 }
diff --git a/android/gradle.properties b/android/gradle.properties
new file mode 100644
index 0000000..8bd86f6
--- /dev/null
+++ b/android/gradle.properties
@@ -0,0 +1 @@
+org.gradle.jvmargs=-Xmx1536M
diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
index 03ef62c..cc947c5 100644
--- a/android/src/main/AndroidManifest.xml
+++ b/android/src/main/AndroidManifest.xml
@@ -1,3 +1 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-  package="com.simform.flutter_credit_card">
-</manifest>
+<manifest />
diff --git a/android/src/main/kotlin/com/simform/flutter_credit_card/gyroscope/GyroscopeStreamHandler.kt b/android/src/main/kotlin/com/simform/flutter_credit_card/gyroscope/GyroscopeStreamHandler.kt
index 42bcce4..3e31a32 100644
--- a/android/src/main/kotlin/com/simform/flutter_credit_card/gyroscope/GyroscopeStreamHandler.kt
+++ b/android/src/main/kotlin/com/simform/flutter_credit_card/gyroscope/GyroscopeStreamHandler.kt
@@ -16,7 +16,7 @@ internal class GyroscopeStreamHandler(
     private var sensorEventListener: SensorEventListener? = null
 
     private val sensor: Sensor by lazy {
-        sensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE)
+        sensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE)!!
     }
 
     override fun onListen(arguments: Any?, events: EventSink) {
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index c448863..904a1b7 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -26,24 +26,25 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 31
+    namespace = "com.simform.example"
+    compileSdk = 34
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
 
-    lintOptions {
-        disable 'InvalidPackage'
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
     }
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.simform.example"
-        minSdkVersion 16
-        targetSdkVersion 31
+        minSdk = flutter.minSdkVersion
+        targetSdk = flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -53,6 +54,14 @@ android {
             signingConfig signingConfigs.debug
         }
     }
+
+    buildFeatures {
+        buildConfig = true
+    }
+
+    lint {
+        disable 'InvalidPackage'
+    }
 }
 
 flutter {
@@ -61,7 +70,7 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 }
diff --git a/example/android/app/src/debug/AndroidManifest.xml b/example/android/app/src/debug/AndroidManifest.xml
index 5f768db..892d4b3 100644
--- a/example/android/app/src/debug/AndroidManifest.xml
+++ b/example/android/app/src/debug/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.simform.example">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->
diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml
index aba51bf..3cce6f9 100644
--- a/example/android/app/src/main/AndroidManifest.xml
+++ b/example/android/app/src/main/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.simform.example">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <!-- io.flutter.app.FlutterApplication is an android.app.Application that
          calls FlutterMain.startInitialization(this); in its onCreate method.
diff --git a/example/android/app/src/profile/AndroidManifest.xml b/example/android/app/src/profile/AndroidManifest.xml
index 5f768db..892d4b3 100644
--- a/example/android/app/src/profile/AndroidManifest.xml
+++ b/example/android/app/src/profile/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.simform.example">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->
diff --git a/example/android/build.gradle b/example/android/build.gradle
index 9065050..30930b1 100644
--- a/example/android/build.gradle
+++ b/example/android/build.gradle
@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '1.9.20'
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.2.2'
+        classpath 'com.android.tools.build:gradle:8.4.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -14,7 +14,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 
diff --git a/example/android/gradle.properties b/example/android/gradle.properties
index a5965ab..2799ecb 100644
--- a/example/android/gradle.properties
+++ b/example/android/gradle.properties
@@ -1,4 +1,5 @@
 org.gradle.jvmargs=-Xmx1536M
-android.enableR8=true
 android.useAndroidX=true
-android.enableJetifier=true
\ No newline at end of file
+android.enableJetifier=true
+android.nonTransitiveRClass=false
+android.nonFinalResIds=false
\ No newline at end of file
diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties
index cc5527d..628d33c 100644
--- a/example/android/gradle/wrapper/gradle-wrapper.properties
+++ b/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-all.zip