diff --git a/android/build.gradle b/android/build.gradle
index 1e5b68b..0607938 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -10,7 +10,7 @@
         }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.2'
+        classpath 'com.android.tools.build:gradle:3.5.3'
     }
 }
 subprojects {
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
index 69927bd..2d4044f 100644
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Jun 18 20:43:32 CST 2019
+#Sat Dec 21 22:48:15 CST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
diff --git a/android/playground/build.gradle b/android/playground/build.gradle
index 5f16c34..b66dd9b 100755
--- a/android/playground/build.gradle
+++ b/android/playground/build.gradle
@@ -13,8 +13,8 @@
         applicationId "org.apache.weex"
         minSdkVersion project.minSdkVersion
         targetSdkVersion project.targetSdkVersion
-        versionCode 20
-        versionName "0.20.0"
+        versionCode 21
+        versionName "0.21.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         multiDexEnabled true
         ndk{