diff --git a/.travis.yml b/.travis.yml
index db97220..c7fbec4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ rvm:
   - 2.1.6
   - 2.2.2
   - 2.3.1
+  - 2.4.1
   - jruby
 notifications:
   email: