Gemfile in u-menu-0.4.0 vs Gemfile in u-menu-0.6.0

@@ -5,5 +5,12 @@
 # Specify your gem's dependencies in u-menu.gemspec
 gemspec
 
 gem 'rake', '~> 13.0'
 gem 'rspec', '~> 3.0'
+
+group :development do
+  gem "guard-rspec", "~> 4.7"
+  gem "rubocop", "~> 1.51"
+  gem "rubocop-rspec", "~> 2.22"
+end
+