Gemfile in flipper-0.10.2 vs Gemfile in flipper-0.11.0.beta1

@@ -1,21 +1,24 @@
 source 'https://rubygems.org'
-gemspec :name => 'flipper'
+gemspec name: 'flipper'
 
 Dir['flipper-*.gemspec'].each do |gemspec|
   plugin = gemspec.scan(/flipper-(.*)\.gemspec/).flatten.first
-  gemspec(:name => "flipper-#{plugin}", :development_group => plugin)
+  gemspec(name: "flipper-#{plugin}", development_group: plugin)
 end
 
 gem 'rake', '~> 10.4.2'
 gem 'metriks', '~> 0.9.9'
 gem 'shotgun', '~> 0.9'
 gem 'statsd-ruby', '~> 1.2.1'
 gem 'rspec', '~> 3.0'
 gem 'rack-test', '~> 0.6.3'
 gem 'sqlite3', '~> 1.3.11'
-gem 'rails', "~> #{ENV["RAILS_VERSION"] || '4.2.5'}"
+gem 'rails', "~> #{ENV['RAILS_VERSION'] || '4.2.5'}"
 gem 'minitest', '~> 5.8.0'
+gem 'rubocop', '~> 0.45.0'
+gem 'rubocop-rspec', '= 1.5.1'
+gem 'webmock', '~> 2.0'
 
 # for active support tests in test/ and only needed for ruby 2.2.x
 gem 'test-unit', '~> 3.0'
 
 group(:guard) do