Gemfile in cli-kit-3.3.0 vs Gemfile in cli-kit-4.0.0

@@ -1,16 +1,17 @@
 # NOTE: These are development-only dependencies
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
 gemspec
 
 group :development, :test do
-  gem 'rubocop', '~> 0.56.0'
+  gem 'rubocop'
+  gem 'rubocop-shopify'
   gem 'byebug'
   gem 'method_source'
 end
 
 group :test do
-  gem 'mocha', '~> 1.5.0', require: false
+  gem 'mocha', '~> 1.13.0', require: false
   gem 'minitest', '>= 5.0.0', require: false
   gem 'minitest-reporters', require: false
 end