diff --git a/.travis.yml b/.travis.yml
index 51417f6..ece438a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ rvm:
   - "1.9.3"
   - "2.0.0"
   - "2.1.0"
+  - "jruby-19mode"
 script:
   bundle exec rake test
 branches: