diff --git a/.travis.yml b/.travis.yml
index a43ecba..d599f87 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,5 @@
+rvm:
+  - 1.9.2
 before_script:
   - sudo apt-get install xulrunner-1.9
   - gem install rspec