diff --git a/.travis.yml b/.travis.yml
index 6b9bc64..c03bf70 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,5 +3,7 @@ python:
     - "2.6"
     - "2.7"
     - "3.4"
+    - "pypy"
+    - "pypy3"
 install: "pip install -r requirements.txt"
 script: cd tests && py.test