Rakefile in kilya-0.0.8 vs Rakefile in kilya-0.0.9

@@ -1,8 +1,16 @@
-require 'rake/testtask'
+require 'rubygems'
+require 'rake'
 
+desc "Run spec"
+task default: %i[test rubocop]
+
+require 'rake/testtask'
 Rake::TestTask.new do |test|
   test.libs << 'test'
 end
 
-desc "Run test"
-task :default => :test
+require 'rubocop/rake_task'
+RuboCop::RakeTask.new do |task|
+  task.fail_on_error = true
+  task.requires << 'rubocop-rake'
+end
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