diff --git a/.travis.yml b/.travis.yml
index b9d99db..054c892 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@
 language:
   - ruby
 rvm:
-  - 2.4
+  - 2.5
   - 2.6
 
 cache: