diff --git a/.travis.yml b/.travis.yml
index 472f8a9fa..fc7b5e6a5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,10 +9,12 @@ python:
   - 2.7
   - 3.2
   - 3.3
+  - "pypy"
 
 install: 
   - "sudo apt-get -qq install libfreetype6-dev liblcms2-dev libwebp-dev python-qt4 ghostscript libffi-dev"
   - "pip install cffi"
+  - "sudo apt-get install python-tk"
 
 
 script:
@@ -20,3 +22,7 @@ script:
   - python setup.py build_ext --inplace
   - python selftest.py
   - python Tests/run.py
+
+matrix:
+  allow_failures:
+    - python: "pypy"