diff --git a/.travis.yml b/.travis.yml
index 1c9b3d8..d132f1e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ language: python
 python:
     - "3.5"
     - "3.6"
+    - "nightly"
 
 before_install:
     - sudo apt-get -qq update