diff --git a/.travis.yml b/.travis.yml
index b93c9bdca..79e5af4fc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ language: python
 python:
     - "2.7"
     - "2.6"
+    - "pypy"
 
 branches:
     only: