diff --git a/.travis.yml b/.travis.yml
index 88118b1b2..bafcd7d14 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,16 @@
 language: python
 
+# for python-qt4
+virtualenv:
+  system_site_packages: true
+
 python:
   - 2.6
   - 2.7
   - 3.2
   - 3.3
 
-install: "sudo apt-get -qq install libfreetype6-dev liblcms2-dev libwebp-dev"
+install: "sudo apt-get -qq install libfreetype6-dev liblcms2-dev libwebp-dev python-qt4"
 
 script:
   - python setup.py clean