diff --git a/.travis.yml b/.travis.yml
index 2fc8c28..5760392 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,12 @@
 language: python
 
+python:
+  - 2.7
+  - 3.3
+  - 3.4
+  - 3.5
+
+
 sudo: false
 env:
   - TOXENV=py27