Rakefile in dripdrop-0.5.0 vs Rakefile in dripdrop-0.6.0

@@ -13,10 +13,10 @@
     gem.add_dependency('ffi-rzmq')
     gem.add_dependency('eventmachine')
     gem.add_dependency('em-websocket')
     gem.add_dependency('thin')
     gem.add_dependency('zmqmachine')
-    gem.add_dependency('bert')
+    gem.add_dependency('msgpack')
     gem.add_dependency('json')
   end
   Jeweler::GemcutterTasks.new
 rescue LoadError
   puts "Jeweler (or a dependency) not available. Install it with: gem install jeweler"