diff --git a/Rakefile b/Rakefile
index 863fecc6c3..cc034912cd 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,7 +1,7 @@
 # encoding: UTF-8
 
 require 'rake/testtask'
-require 'rake/rdoctask'
+require 'rdoc/task'
 
 desc 'Default: run tests for all ORMs.'
 task :default => :test