diff --git a/.travis.yml b/.travis.yml
index 554f683..2f93181 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ rvm:
   - 2.1.3
   - jruby-18mode
   - jruby-19mode
-  - rbx-2
+  - rbx-2.2
 
 before_script:
   - rake compile