diff --git a/android/build.gradle b/android/build.gradle
index 443b089..90f39f0 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -2,7 +2,7 @@ group 'com.whelksoft.flutter_native_timezone'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.6.0'
     repositories {
         google()
         mavenCentral()
@@ -24,13 +24,13 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
     defaultConfig {
-        targetSdkVersion 30
+        targetSdkVersion 31
         minSdkVersion 16
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index 6ca2344..86d5ab4 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -26,7 +26,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -36,7 +36,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.example.example"
         minSdkVersion 16
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }
diff --git a/example/android/build.gradle b/example/android/build.gradle
index c505a86..f132e37 100644
--- a/example/android/build.gradle
+++ b/example/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.6.0'
     repositories {
         google()
         jcenter()