diff --git a/.travis.yml b/.travis.yml
index d4c443cd..04df5cbd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,8 @@
 language: python
 python:
+  - "2.6"
   - "2.7"
+  - "3.3"
   - "3.4"
 install:
   - pip install -r requirements.txt