diff --git a/.travis.yml b/.travis.yml
index 1881d30..ebda472 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ python:
     - "3.4"
     - "3.5"
     - "3.6"
+    - "nightly"
 install:
     - make init
     - pip install coveralls