diff --git a/app/build.gradle b/app/build.gradle
index 76cc18be2..dbafcd6d1 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -13,8 +13,8 @@ android {
         minSdk 21
         //noinspection ExpiredTargetSdkVersion
         targetSdk 28
-        versionCode 399
-        versionName "3.9.9"
+        versionCode 400
+        versionName "4.0.0"
         javaCompileOptions {
             annotationProcessorOptions {
                 arguments = ["room.schemaLocation": "$projectDir/schemas".toString(), "eventBusIndex": "com.fongmi.android.tv.event.EventIndex"]