diff --git a/.travis.yml b/.travis.yml
index 907a885..072a0e0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,8 +9,9 @@ rvm:
   - 2.0.0
   - 2.1
   - 2.2
-  - 2.3.5
-  - 2.4.0
+  - 2.3
+  - 2.4
+  - 2.5
   - ruby-head
 
 sudo: true # Necessary to fix JRuby