diff --git a/.travis.yml b/.travis.yml
index deafbb8..49720ac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@ rvm:
   - jruby-9.0.5.0
   - jruby-head
   - ruby-head
+  - truffleruby
 matrix:
   allow_failures:
     - rvm: jruby-head