diff --git a/.travis.yml b/.travis.yml
index 596386f4e..a74d0c223 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ python:
   - "3.3"
   - "3.4"
   - "pypy"
+  - "pypy3"
 # command to install dependencies, e.g. pip install -r requirements.txt --use-mirrors
 install:
     - pip install -vr requirements.txt