Rakefile in catfish-0.0.2 vs Rakefile in catfish-0.0.3

@@ -1,4 +1,7 @@
 require 'bundler/gem_tasks'
 require 'rubocop/rake_task'
+require 'rake/clean'
+
+CLEAN.include('Catfishfile', 'Catfishfile.lock', 'Vagrantfile')
 
 RuboCop::RakeTask.new