diff --git a/Gemfile b/Gemfile
index 0b130eb9468..c5444453230 100644
--- a/Gemfile
+++ b/Gemfile
@@ -50,7 +50,7 @@ gem 'ember-source', '1.12.1'
 gem 'barber'
 gem 'babel-transpiler'
 
-gem 'message_bus'
+gem 'message_bus', '2.0.0.beta.1'
 
 gem 'rails_multisite'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 201cc46b383..1f3a21d0666 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -156,7 +156,7 @@ GEM
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     memory_profiler (0.9.4)
-    message_bus (1.1.1)
+    message_bus (2.0.0.beta.1)
       rack (>= 1.1.3)
       redis
     metaclass (0.0.4)
@@ -433,7 +433,7 @@ DEPENDENCIES
   lru_redux
   mail
   memory_profiler
-  message_bus
+  message_bus (= 2.0.0.beta.1)
   mime-types
   minitest
   mocha