diff --git a/.travis.yml b/.travis.yml
index ff17fd05..506cde10 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ rvm:
   - 2.0.0
   - 2.1.0
   - 2.1.1
+  - jruby-19mode
 before_install:
  - sudo apt-get update
  - sudo apt-get install libicu-dev