diff --git a/.travis.yml b/.travis.yml
index ac34ed53..9b4b38df 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: ruby
 rvm:
-  - "1.9.2"
-  - "1.9.3"
-  - "2.0.0"
+  - 1.9.2
+  - 1.9.3
+  - 2.0.0
+  - 2.1.0
 script: bundle exec rspec --format documentation