Rakefile in graphql-batch-0.4.2 vs Rakefile in graphql-batch-0.4.3

@@ -5,6 +5,11 @@
   t.libs << "test"
   t.libs << "lib"
   t.test_files = FileList['test/**/*_test.rb']
 end
 
-task :default => :test
+task :rubocop do
+  require 'rubocop/rake_task'
+  RuboCop::RakeTask.new
+end
+
+task(default: [:test, :rubocop])