diff --git a/.travis.yml b/.travis.yml
index 1b6eee7..7d99fd6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: ruby
 rvm:
-  - 1.9.3
-  - 2.0
-  - 2.1
+  - 2.2.2
+  - 2.4.2
+  - 2.5
   - ruby-head
   - jruby-19mode
   - jruby-head