diff --git a/lib/src/openim.dart b/lib/src/openim.dart
index 11032f6..e8fe9fe 100644
--- a/lib/src/openim.dart
+++ b/lib/src/openim.dart
@@ -2,7 +2,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter_openim_sdk/flutter_openim_sdk.dart';
 
 class OpenIM {
-  static const version = '3.8.3+hotfix.3';
+  static const version = '3.8.3+hotfix.3.1';
 
   static const _channel = MethodChannel('flutter_openim_sdk');
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 5c798fc..0148832 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_openim_sdk
 description: An instant messaging plug-in that supports Android and IOS. And the server is also all open source.
-version: 3.8.3+hotfix.3
+version: 3.8.3+hotfix.3.1
 homepage: https://www.openim.io
 repository: https://github.com/openimsdk/open-im-sdk-flutter