diff --git a/.travis.yml b/.travis.yml
index 6a9c8d4..82a19a8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,5 +4,6 @@ rvm:
   - 2.1.8
   - 2.2.4
   - 2.3.0
+  - 2.4.1
 bundler_args: --without development
 before_install: gem install bundler