diff --git a/.travis.yml b/.travis.yml
index 12c77f4..79d99dc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: ruby
 rvm:
   - "2.3.1"
+  - "2.4.1"
 sudo: false
 cache: bundler
 before_install: gem install bundler -v 1.10.3