diff --git a/.travis.yml b/.travis.yml
index 0322eb7..eb49ba0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: ruby
 
 rvm:
+  - 2.3
   - 2.2
   - 2.1
   - 2.0