diff --git a/flutter_mobx/CHANGELOG.md b/flutter_mobx/CHANGELOG.md
index 1b9934de..41a402e0 100644
--- a/flutter_mobx/CHANGELOG.md
+++ b/flutter_mobx/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.1.1
+
+- refactor: export `MultiReactionBuilder` from `flutter_mobx.dart` by [@amondnet](https://github.com/amondnet)
+
 ## 2.1.0+1
 
 - Patching to update the version in the library file
diff --git a/flutter_mobx/lib/flutter_mobx.dart b/flutter_mobx/lib/flutter_mobx.dart
index 27fd7cd9..51601bb6 100644
--- a/flutter_mobx/lib/flutter_mobx.dart
+++ b/flutter_mobx/lib/flutter_mobx.dart
@@ -34,6 +34,7 @@
 
 library flutter_mobx;
 
+export 'package:flutter_mobx/src/multi_reaction_builder.dart';
 export 'package:flutter_mobx/src/observer.dart';
 export 'package:flutter_mobx/src/observer_widget_mixin.dart';
 export 'package:flutter_mobx/src/reaction_builder.dart'
diff --git a/flutter_mobx/lib/version.dart b/flutter_mobx/lib/version.dart
index d9a5a93d..416e1234 100644
--- a/flutter_mobx/lib/version.dart
+++ b/flutter_mobx/lib/version.dart
@@ -1,4 +1,4 @@
 // Generated via set_version.dart. !!!DO NOT MODIFY BY HAND!!!
 
 /// The current version as per `pubspec.yaml`.
-const version = '2.1.0+1';
+const version = '2.1.1';
diff --git a/flutter_mobx/pubspec.yaml b/flutter_mobx/pubspec.yaml
index b31e1f31..f95ed157 100644
--- a/flutter_mobx/pubspec.yaml
+++ b/flutter_mobx/pubspec.yaml
@@ -2,7 +2,7 @@ name: flutter_mobx
 description:
   Flutter integration for MobX. It provides a set of Observer widgets that automatically rebuild
   when the tracked observables change.
-version: 2.1.0+1
+version: 2.1.1
 
 homepage: https://github.com/mobxjs/mobx.dart
 issue_tracker: https://github.com/mobxjs/mobx.dart/issues