Gemfile in trax_controller-0.0.3 vs Gemfile in trax_controller-0.0.4

@@ -5,7 +5,7 @@
 # gem 'active_model_serializers', :github => 'rails-api/active_model_serializers', :branch => "0-10-stable"
 gem 'active_model_serializers', :github => 'rails-api/active_model_serializers', :branch => "0-10-stable", :ref => "6aba26049154712d65176708ffad55fcfe512ca0"
 
 group :test do
   gem 'activerecord'
-  gem 'rspec-rails'
+  gem 'rspec-rails', '~> 3.1'
 end