Gemfile in messagebus_ruby_api-0.1.1 vs Gemfile in messagebus_ruby_api-0.4.0

@@ -1,6 +1,8 @@
 source "http://rubygems.org"
 
+gem 'activesupport'
+
 group :test, :development do
   gem 'rspec', '2.5.0'
   gem 'rr', '1.0.2'
   gem 'fakeweb'
 end