Gemfile in inch-0.5.0.rc5 vs Gemfile in inch-0.5.0.rc6

@@ -1,9 +1,9 @@
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
 # Specify your gem's dependencies in inch.gemspec
 gemspec
 
 group :test do
-  gem "simplecov", require: false
-  gem "rubocop", require: false
+  gem 'simplecov', require: false
+  gem 'rubocop', '~> 0.25.0', require: false
 end