diff --git a/.travis.yml b/.travis.yml
index 99b2859..ac55a90 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,8 @@ language: ruby
 sudo: false
 cache: bundler
 rvm:
-  - 2.3.0
+  - 2.4
+  - 2.3
   - 2.2
   - 2.1
 before_script: bundle update