diff --git a/.travis.yml b/.travis.yml
index 8349955..ae1e70c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,10 @@
 language: ruby
 rvm:
-  - 2.0.0
+  - 2.0
+  - 2.1
+  - 2.2
+  - ruby-head
+matrix:
+  allow_failures:
+    - rvm: ruby-head
+sudo: false