Gemfile in uglifier-3.0.2 vs Gemfile in uglifier-3.0.3

@@ -1,5 +1,5 @@
 source "https://rubygems.org"
 
 gemspec
 
-gem 'rubocop', '~> 0.37.2', :group => [:development]
+gem 'rubocop', '~> 0.44.1', :group => [:development] if RUBY_VERSION >= '2.0'