diff --git a/.travis.yml b/.travis.yml
index d16629c..f668296 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,13 @@
 rvm:
   - 1.9.3
   - 2.0.0
+  - ruby-head
   - jruby-19mode
   - jruby-head
   - rbx-19mode
 matrix:
   allow_failures:
+    - rvm: ruby-head
     - rvm: rbx-19mode
     - rvm: jruby-head