diff --git a/.travis.yml b/.travis.yml
index bc399c2e..12b9d13c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,15 @@
+sudo: false
 language: python
 python:
   - "2.7"
-install: pip install tox
-script: tox
-sudo: false
+env:
+    - TOX_ENV=py26
+    - TOX_ENV=py27
+    - TOX_ENV=py32
+    - TOX_ENV=py33
+    - TOX_ENV=py34
+    - TOX_ENV=flake8
+install:
+    - pip install tox
+script:
+    - tox -e $TOX_ENV