diff --git a/.travis.yml b/.travis.yml
index ed28682..df9fc4e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,10 @@
+sudo: false
 language: ruby
 rvm:
   - 1.9.3
   - 2.0.0
+  - 2.1.7
+  - 2.2.3
 addons:
   code_climate:
     repo_token: