diff --git a/Gemfile b/Gemfile
index 5efbadc3..11ab3ca1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,5 +7,5 @@ gem "minitest"
 gem "hoe"
 
 if ENV["rdoc"] == "master"
-  gem "rdoc", :github => "rdoc/rdoc"
+  gem "rdoc", :github => "ruby/rdoc"
 end