diff --git a/.travis.yml b/.travis.yml
index cda9721..3b9e970 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ branches:
   - master
 language: ruby
 rvm:
+  - 2.5.1
   - 2.4.1
   - 2.3.1
   - 2.2.5