diff --git a/.travis.yml b/.travis.yml
index 7da5c41..405de0d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,8 @@
 language: ruby
 rvm:
-  - 2.2.5
-  - 2.3.1
+  - 2.2.7
+  - 2.3.4
+  - 2.4.1
   - jruby-head
 gemfile:
   - gemfiles/ar_4.2.gemfile