diff --git a/.travis.yml b/.travis.yml
index 8c07d57033..5a379f6e10 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,9 +3,10 @@ language: ruby
 cache: bundler
 rvm:
   - 2.1.10
-  - 2.2.7
-  - 2.3.4
-  - 2.4.1
+  - 2.2.9
+  - 2.3.6
+  - 2.4.3
+  - 2.5.0
   - ruby-head
 script: bundle exec rake
 matrix: