Gemfile in rconfig-0.5.2 vs Gemfile in rconfig-0.5.4

@@ -1,10 +1,13 @@
 source 'http://rubygems.org'
 
-gem 'activesupport', '> 3.0', :require => 'active_support'
+gem 'activesupport', '~> 3.2', require: 'active_support'
+gem 'json', '> 1.8.1'
 
 group :development do
+  gem 'rake',    '~> 11.2'
+  gem 'rack',    '~> 1.4.2'
   gem 'rspec',   '> 2.3.0'
   gem 'bundler', '> 1.0.0'
   gem 'jeweler', '> 1.6.4'
-  gem 'i18n',    '> 0.6.0'
+  gem 'i18n'
 end