diff --git a/.travis.yml b/.travis.yml
index 915edf3a4..b2a21e056 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,11 @@ rvm:
   - 1.9.2
   - 1.9.3
   - 2.0.0
-  - jruby
+  - rbx-18mode
+  - rbx-19mode
+  - jruby-18mode
+  - jruby-19mode
+  - jruby-20mode
   - ree
 script: "bundle exec rake spec:all"
 before_install: