diff --git a/.travis.yml b/.travis.yml
index 04f468e..c9b1c88 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: python
 python:
     - "2.7"
+    - "pypy"
     - "3.3"
     - "3.4"
 env: