diff --git a/.travis.yml b/.travis.yml
index 21130544..91d71339 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ rvm:
   - 2.2
   - 2.3
   - 2.4
+  - 2.5
 before_install:
    - gem install bundler
 services: