diff --git a/.travis.yml b/.travis.yml
index d9e3189..2e5fdc2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ rvm:
   - 1.9.3
   - 2.1.7
   - 2.2.3
+  - 2.3.0
   - jruby-19mode
   # - rbx
   - ruby-head