diff --git a/Gemfile b/Gemfile
index fbe22c895..2c7d12985 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.5'
+gem 'message_bus', '2.0.0.beta.8'
 
 gem 'rails_multisite'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index bc0b32e39..0f8687054 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -156,7 +156,7 @@ GEM
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
     memory_profiler (0.9.6)
-    message_bus (2.0.0.beta.5)
+    message_bus (2.0.0.beta.8)
       rack (>= 1.1.3)
     metaclass (0.0.4)
     method_source (0.8.2)
@@ -437,7 +437,7 @@ DEPENDENCIES
   lru_redux
   mail
   memory_profiler
-  message_bus (= 2.0.0.beta.5)
+  message_bus (= 2.0.0.beta.8)
   mime-types
   minitest
   mocha