diff --git a/.travis.yml b/.travis.yml
index 304a0ad..53e8c0d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,4 +11,5 @@ rvm:
   - 1.9.3
 matrix:
   allow_failures:
-    - rvm: 1.9.3
\ No newline at end of file
+    - rvm: 1.9.3
+    - ruby-head
\ No newline at end of file