Silent Rake which keeps complaining us to switch to rdoc/task

Gemfile

@@ -11,3 +11,4 @@ gem "fog"
 gem "bundler"
 gem "cocaine"
 gem "mime-types"
+gem "rdoc", :require => false

Gemfile.lock

@@ -44,6 +44,7 @@ GEM
     net-ssh (2.1.4)
     nokogiri (1.4.4)
     rake (0.9.2)
+    rdoc (3.7)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)
       rspec-expectations (~> 2.6.0)
@@ -72,5 +73,6 @@ DEPENDENCIES
   mime-types
   mocha
   rake
+  rdoc
   shoulda
   sqlite3-ruby (~> 1.3.0)

Rakefile

@@ -4,7 +4,7 @@ require 'bundler/setup'
 
 require 'rake'
 require 'rake/testtask'
-require 'rake/rdoctask'
+require 'rdoc/task'
 
 $LOAD_PATH << File.join(File.dirname(__FILE__), 'lib')
 require 'paperclip'
@@ -31,7 +31,7 @@ task :shell do |t|
 end
 
 desc 'Generate documentation for the paperclip plugin.'
-Rake::RDocTask.new(:rdoc) do |rdoc|
+RDoc::Task.new(:rdoc) do |rdoc|
   rdoc.rdoc_dir = 'doc'
   rdoc.title    = 'Paperclip'
   rdoc.options << '--line-numbers' << '--inline-source'