diff --git a/Gemfile b/Gemfile
index 93455abd85..8d2f214737 100644
--- a/Gemfile
+++ b/Gemfile
@@ -52,7 +52,7 @@ gem 'ember-source', '1.12.2'
 gem 'barber'
 gem 'babel-transpiler'
 
-gem 'message_bus', '2.0.0.beta.4'
+gem 'message_bus', '2.0.0.beta.5'
 
 gem 'rails_multisite'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 9b56f0feb6..1bfaa7ae12 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -157,7 +157,7 @@ GEM
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     memory_profiler (0.9.6)
-    message_bus (2.0.0.beta.4)
+    message_bus (2.0.0.beta.5)
       rack (>= 1.1.3)
     metaclass (0.0.4)
     method_source (0.8.2)
@@ -438,7 +438,7 @@ DEPENDENCIES
   lru_redux
   mail
   memory_profiler
-  message_bus (= 2.0.0.beta.4)
+  message_bus (= 2.0.0.beta.5)
   mime-types
   minitest
   mocha