diff --git a/.travis.yml b/.travis.yml
index 8d842d1f3424f3df0f5aa8e3b0e4a8f93d3c53f1..cf1ea86d6677881f7949ce346b13bf785f418452 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ language: python
 python:
   - 2.6
   - 2.7
+  - pypy
 
 install:
   - pip install pycrypto