diff --git a/.travis.yml b/.travis.yml
index 5d9a377..c9008d7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ rvm:
   - 2.3
   - 2.4
   - 2.5
-  - ruby-head
+  - 2.6
 
 before_install:
   - gem install bundler