diff --git a/.travis.yml b/.travis.yml
index 3b5a5c485..e394644bd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,8 +4,7 @@ notifications:
   email: false
 
 rvm:
-  - 2.5.1
-  - 2.4.4
+  - 2.5.3
   - 2.3.4 # deployed
 
 bundler_args: --without production