Rakefile in wepay-rails-2.2.9 vs Rakefile in wepay-rails-2.5.0

@@ -40,11 +40,11 @@
   test.rcov_opts << '--exclude "gems/*"'
 end
 
 task :default => :test
 
-require 'rake/rdoctask'
-Rake::RDocTask.new do |rdoc|
+require 'rdoc/task'
+RDoc::Task.new do |rdoc|
   version = File.exist?('VERSION') ? File.read('VERSION') : ""
 
   rdoc.rdoc_dir = 'rdoc'
   rdoc.title = "wepay-rails #{version}"
   rdoc.rdoc_files.include('README*')