diff --git a/.travis.yml b/.travis.yml
index 075e72be..c3baec8e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
+  - 2.1.0-rc1
   - ruby-head
   - jruby
   - rbx