diff --git a/.travis.yml b/.travis.yml
index 6adf0df7..b094bdda 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ rvm:
   - 2.1.1
   - 2.2.3
   - 2.3.3
+  - 2.4.1
   #- jruby-18mode
   - jruby-19mode
   #- jruby-20mode