diff --git a/.travis.yml b/.travis.yml
index bad97e97..4f492143 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,8 +15,9 @@ rvm:
   - 2.0.0
   - 2.1
   - 2.2
-  - 2.3.4
-  - 2.4.1
+  - 2.3
+  - 2.4
+  - 2.5
   - rbx-3.81
   - ruby-head