diff --git a/.travis.yml b/.travis.yml
index 267427c..81cfb2b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ language: python
 python:
   - 2.6
   - 2.7
+  - pypy
 before_install:
   - sudo apt-get update -qq
   - sudo apt-get install -qq build-essential libssl-dev swig python-m2crypto python-numpy