diff --git a/.travis.yml b/.travis.yml
index cfbbd86..311b4e0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ python:
   - "2.7"
   - "3.2"
   - "3.3"
+  - "pypy"
 install:
   - pip install flake8 --use-mirrors
   - pip install nose mock --use-mirrors