diff --git a/CONTRIBUTING.markdown b/CONTRIBUTING.markdown
index 2145db65..5816150b 100644
--- a/CONTRIBUTING.markdown
+++ b/CONTRIBUTING.markdown
@@ -9,7 +9,7 @@ following in mind:
 * If you're creating a small fix or patch to an existing feature, just a simple
   test will do. Please stay in the confines of the current test suite and use
   [Shoulda](https://github.com/thoughtbot/shoulda/tree/master) and
-  [RR](https://github.com/rr/rr).
+  [RSpec-Mocks](https://github.com/rspec/rspec-mocks).
 * If it's a brand new feature, make sure to create a new
   [Cucumber](https://github.com/cucumber/cucumber/) feature and reuse steps
   where appropriate. Also, whipping up some documentation in your fork's `site`