Rakefile in heartbeat-client-0.4.4 vs Rakefile in heartbeat-client-0.5.0

@@ -41,10 +41,10 @@
   test.verbose = true
 end
 
 task :default => :test
 
-require 'rake/rdoctask'
+require 'rdoc/task'
 Rake::RDocTask.new do |rdoc|
   version = File.exist?('VERSION') ? File.read('VERSION') : ""
 
   rdoc.rdoc_dir = 'rdoc'
   rdoc.title = "heartbeat-client #{version}"