diff --git a/Gemfile b/Gemfile
index 507fd87..0196b79 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ group :test do
   gem 'coveralls', :require => false
   gem 'mime-types', '~> 1.25', :platforms => [:jruby, :ruby_18]
   gem 'rspec', '>= 2.14'
-  gem 'rubocop', '>= 0.20', :platforms => [:ruby_19, :ruby_20, :ruby_21]
+  gem 'rubocop', '>= 0.23', :platforms => [:ruby_19, :ruby_20, :ruby_21]
   gem 'simplecov', :require => false
   gem 'yardstick'
 end
diff --git a/Rakefile b/Rakefile
index 09c539c..1d5e9b3 100644
--- a/Rakefile
+++ b/Rakefile
@@ -7,10 +7,10 @@ task :test => :spec
 
 begin
   require 'rubocop/rake_task'
-  Rubocop::RakeTask.new
+  RuboCop::RakeTask.new
 rescue LoadError
   task :rubocop do
-    $stderr.puts 'Rubocop is disabled'
+    $stderr.puts 'RuboCop is disabled'
   end
 end