Gemfile in api-auth-2.0.0 vs Gemfile in api-auth-2.0.1

@@ -1,5 +1,7 @@
 source 'https://rubygems.org'
 gemspec
 
-gem "rake", "< 11.0", :platforms => :ruby_18
-gem "tins", "< 1.7",  :platforms => :ruby_19 # amatch dependency
+gem 'rake', '< 11.0', :platforms => :ruby_18
+gem 'tins', '< 1.7',  :platforms => :ruby_19 # amatch dependency
+
+gem 'rubocop', :platforms => [:ruby_19, :ruby_20, :ruby_21, :ruby_22, :ruby_23]