Gemfile in messagebus_ruby_api-1.0.11 vs Gemfile in messagebus_ruby_api-3.0.6

@@ -1,13 +1,15 @@
 source "http://rubygems.org"
 
 gem 'activesupport'
 
+gem 'multipart-post'
+
 group :test, :development do
   gem 'rspec', '2.5.0'
   gem 'rr', '1.0.2'
   gem 'fakeweb'
-  gem 'multipart-post'
+  gem 'actionmailer'
 end
 
 # Specify your gem's dependencies in messagebus.gemspec
 gemspec