diff --git a/.travis.yml b/.travis.yml
index 80d9aaa..a4ce826 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,9 @@ language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.8
-  - 2.2.4
-  - 2.3.0
+  - 2.1.10
+  - 2.2.5
+  - 2.3.1
   - jruby-19mode
   - jruby-9
   - rbx-2