diff --git a/.travis.yml b/.travis.yml
index 3f8e7db..32bd322 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,8 @@
 language: ruby
 script: rake rspec
 rvm:
+  - 2.2.0
+  - 2.1.5
   - 2.1.1
   - 2.0.0
   - 1.9.3