diff --git a/.travis.yml b/.travis.yml
index f03ef05..ed86b4a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,10 +4,7 @@ dist: trusty
 language: python
 
 python:
-  - "2.7.9"
-
-virtualenv:
-  system_site_packages: true
+  - "2.7_with_system_site_packages"
 
 addons:
   apt: