diff -r 487d96eac004 -r 5e80956cc792 Rakefile
--- a/Rakefile
+++ b/Rakefile
@@ -5,6 +5,11 @@
 
 require 'rake'
 require 'rake/testtask'
-require 'rake/rdoctask'
 
-require 'tasks/rails'
\ No newline at end of file
+begin
+  require 'rdoc/task'
+rescue LoadError
+  # RDoc is not available
+end
+
+require 'tasks/rails'