diff --git a/.travis.yml b/.travis.yml
index 28e1fad29..066b7d757 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,8 @@ python:
   - "2.7"
   - "3.3"
   - "3.4"
-  - "nightly"
+  - "pypy"
+  - "pypy3"
 install:
   - pip install coveralls
 script: