Rakefile in fillable-pdf-0.9.0 vs Rakefile in fillable-pdf-0.9.1

@@ -1,10 +1,13 @@
 require 'bundler/gem_tasks'
 require 'rake/testtask'
+require 'rubocop/rake_task'
 
 Rake::TestTask.new(:test) do |t|
   t.libs << 'test'
   t.libs << 'lib'
   t.test_files = FileList['test/**/*_test.rb']
 end
 
-task default: :test
+RuboCop::RakeTask.new
+
+task default: %i[test rubocop]