diff --git a/.travis.yml b/.travis.yml
index d20e2ac9..fedd9a94 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: python
-python:
-  - "2.7"
 install:
   - "pip install ."
   - "pip install -r requirements-tests.txt"
 script:
-  - "unit2 discover"
+  - tox
+env:
+  - TOXENV=py27