diff --git a/.travis.yml b/.travis.yml
index 222078e..4499cee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
 language: ruby
 rvm:
-  - 1.9.3
-  - 2.0.0
+  - 2.2.5
+  - 2.3.1