Rakefile in mongoid-locker-0.2.1 vs Rakefile in mongoid-locker-0.3.0

@@ -1,22 +1,21 @@
 # encoding: utf-8
 
 require 'rubygems'
 require 'bundler/setup'
 require 'rake'
-require 'appraisal'
 
 require 'jeweler'
 Jeweler::Tasks.new do |gem|
   # gem is a Gem::Specification... see http://docs.rubygems.org/read/chapter/20 for more options
-  gem.name = "mongoid-locker"
-  gem.homepage = "http://github.com/afeld/mongoid-locker"
-  gem.license = "MIT"
-  gem.summary = "Document-level locking for MongoDB via Mongoid"
-  gem.description = %Q{Allows multiple processes to operate on individual documents in MongoDB while ensuring that only one can act at a time.}
-  gem.email = "[e-mail]"
-  gem.authors = ["Aidan Feldman"]
+  gem.name = 'mongoid-locker'
+  gem.homepage = 'http://github.com/afeld/mongoid-locker'
+  gem.license = 'MIT'
+  gem.summary = 'Document-level locking for MongoDB via Mongoid'
+  gem.description = 'Allows multiple processes to operate on individual documents in MongoDB while ensuring that only one can act at a time.'
+  gem.email = '[e-mail]'
+  gem.authors = ['Aidan Feldman']
   gem.files.exclude 'demo'
   # dependencies defined in Gemfile
 end
 Jeweler::RubygemsDotOrgTasks.new
 
@@ -24,6 +23,9 @@
 require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec) do |spec|
   spec.pattern = FileList['spec/**/*_spec.rb']
 end
 
-task :default => :spec
+require 'rubocop/rake_task'
+RuboCop::RakeTask.new(:rubocop)
+
+task default: [:rubocop, :spec]