Rakefile in d-mark-1.0.0a3 vs Rakefile in d-mark-1.0.0a4

@@ -5,10 +5,10 @@
   t.rspec_opts = '-r ./spec/spec_helper.rb --color'
   t.verbose = false
 end
 
 RuboCop::RakeTask.new(:rubocop) do |task|
-  task.options  = %w( --display-cop-names --format simple )
-  task.patterns = ['lib/**/*.rb', 'spec/**/*.rb']
+  task.options  = %w[--display-cop-names --format simple]
+  task.patterns = ['lib/**/*.rb', 'spec/**/*.rb', 'Gemfile*', '*.gemspec', 'Rakefile']
 end
 
-task default: [:spec, :rubocop]
+task default: %i[spec rubocop]