Gemfile in inch-0.5.0.rc3 vs Gemfile in inch-0.5.0.rc4

@@ -1,6 +1,9 @@
-source 'https://rubygems.org'
+source "https://rubygems.org"
 
 # Specify your gem's dependencies in inch.gemspec
 gemspec
 
-gem 'simplecov', :require => false, :group => :test
+group :test do
+  gem "simplecov", require: false
+  gem "rubocop", require: false
+end