Gemfile in ruboclean-0.2.1 vs Gemfile in ruboclean-0.3.0

@@ -1,12 +1,14 @@
 # frozen_string_literal: true
 
-source 'https://rubygems.org'
+source "https://rubygems.org"
 
 gemspec
 
 group :development do
-  gem 'minitest'
-  gem 'rake'
-  gem 'rubocop'
-  gem 'simplecov', '< 0.18'
+  gem "minitest"
+  gem "rake"
+  gem "rubocop"
+  gem "rubocop-minitest", require: false
+  gem "rubocop-rake", require: false
+  gem "simplecov", "< 0.18"
 end