Gemfile in uglifier-2.5.1 vs Gemfile in uglifier-2.5.3

@@ -7,10 +7,10 @@
   gem 'rubysl', '~> 2.0'
   gem 'psych'
 end
 
 if RUBY_VERSION >= '1.9'
-  gem 'rubocop', '~> 0.23.0', :group => [:development]
+  gem 'rubocop', '~> 0.24', :group => [:development]
 else
   gem 'execjs', '~> 2.0.2'
 end