diff --git a/.travis.yml b/.travis.yml
index 10eb21a..de418fa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,7 @@ rvm:
   - 2.3.3
   - 2.4.1
   - 2.5.3
+  - 2.6.1
   - jruby-19mode
   - rbx-19mode
   - ruby-head