Rakefile in gooddata-0.6.24 vs Rakefile in gooddata-0.6.25

@@ -10,12 +10,14 @@
 require 'rake/notes/rake_task'
 require 'rspec/core/rake_task'
 
 require 'yard'
 
-desc 'Run Rubocop'
-task :cop do
-  exec 'rubocop lib/ gooddata.gemspec Rakefile'
+require 'rubocop/rake_task'
+
+desc 'Run RuboCop'
+RuboCop::RakeTask.new(:rubocop) do |task|
+  task.patterns = ['lib/**/*.rb']
 end
 
 desc 'Run continuous integration test'
 task :ci do
   Rake::Task['test:unit'].invoke