diff --git a/build.gradle b/build.gradle
index 45f51f72f1..7e034544b3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,8 +8,8 @@ buildscript {
         sdkVersion = 29
         compileSdkVersion = 29
         buildToolsVersion = '29.0.2'
-        versionCode = 400
-        versionName = '4.8.5R-nightly'
+        versionCode = 401
+        versionName = '4.8.5R.1-nightly'
         resConfigs = ['zh-rCN']
     }