rails_3.gemfile in grape-0.12.0

- old
+ new

@@ -3,10 +3,10 @@
 source 'https://rubygems.org'
 
 gem 'rails', '3.2.19'
 
 group :development, :test do
-  gem 'rubocop', '~> 0.28.0'
+  gem 'rubocop', '~> 0.31.0'
   gem 'guard'
   gem 'guard-rspec'
   gem 'guard-rubocop'
 end
 