diff --git a/Android/MMKV/build.gradle b/Android/MMKV/build.gradle
index c461a065..1d997239 100644
--- a/Android/MMKV/build.gradle
+++ b/Android/MMKV/build.gradle
@@ -8,7 +8,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.4'
+        classpath 'com.android.tools.build:gradle:3.2.0'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.1'
         classpath 'digital.wup:android-maven-publish:3.6.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
@@ -33,9 +33,9 @@ task clean(type: Delete) {
 ext {
     // TODO: Change these to satisfy your project
     minSdkVersion = 16
-    compileSdkVersion = 27
+    compileSdkVersion = 28
     targetSdkVersion = compileSdkVersion
-    buildToolsVersion = '27.0.3'
+    buildToolsVersion = '28.0.2'
     supportLibVersion = "25.4.0"
     javaVersion = JavaVersion.VERSION_1_7
 
diff --git a/Android/MMKV/mmkv/build.gradle b/Android/MMKV/mmkv/build.gradle
index 33db19ee..502818bb 100644
--- a/Android/MMKV/mmkv/build.gradle
+++ b/Android/MMKV/mmkv/build.gradle
@@ -36,7 +36,7 @@ android {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'com.android.support:support-annotations:27.1.1'
+    implementation 'com.android.support:support-annotations:28.0.0'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
diff --git a/Android/MMKV/mmkvdemo/build.gradle b/Android/MMKV/mmkvdemo/build.gradle
index e5250dbe..cac71d40 100644
--- a/Android/MMKV/mmkvdemo/build.gradle
+++ b/Android/MMKV/mmkvdemo/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     signingConfigs {
         config {
@@ -16,7 +16,7 @@ android {
     defaultConfig {
         applicationId "com.tencent.mmkvdemo"
         minSdkVersion 16
-        targetSdkVersion 27
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"