diff --git a/.travis.yml b/.travis.yml
index 1dfac6f..4acd7cf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ language: ruby
 rvm:
 - '2.4'
 - '2.5'
+- '2.6'
 - ruby-head
 matrix:
   allow_failures: