diff --git a/.travis.yml b/.travis.yml
index 47448950..bb6cd721 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,8 @@ python:
 - 2.7
 - 3.5
 - pypy
-- pypy3
+- pypy3.3-5.2-alpha1
+
 
 env:
 - MONGODB=2.6 PYMONGO=2.7