diff --git a/.travis.yml b/.travis.yml
index 8d842d1f342..cf1ea86d667 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ language: python
 python:
   - 2.6
   - 2.7
+  - pypy
 
 install:
   - pip install pycrypto