diff --git a/.travis.yml b/.travis.yml
index b267c31..eaf47a2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,3 +5,6 @@ rvm:
   - ruby-head
   - 2.1
 script: bundle exec rake ci
+matrix:
+  allow_failures:
+    rvm: rbx-2