Gemfile in cli-ui-1.4.0 vs Gemfile in cli-ui-1.5.0

@@ -1,12 +1,13 @@
 # NOTE: These are development-only dependencies
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
 gemspec
 
 group :development, :test do
   gem 'rubocop'
-  gem 'byebug'
+  gem 'rubocop-shopify'
+  gem 'byebug', platforms: [:mri]
   gem 'method_source'
 end
 
 group :test do
   gem 'mocha', require: false