diff --git a/.travis.yml b/.travis.yml
index 018aeaffb..99366263c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,7 @@ rvm:
   - "2.3"
   - "2.4"
   - "2.5"
+  - "2.6"
   # - ruby-head
   # - jruby