diff --git a/Gemfile.lock b/Gemfile.lock
index 94e6b62dc..a6a7903a6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -167,7 +167,7 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     memory_profiler (0.0.4)
-    message_bus (0.9.5)
+    message_bus (0.9.6)
       eventmachine
       rack (>= 1.1.3)
       redis