diff --git a/.travis.yml b/.travis.yml
index 8ab3a44..bd99240 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ matrix:
   include:
     - python: 3.5
       env: TOXENV=py35
-    - python: nightly
+    - python: 3.6-dev
       env: TOXENV=py36
 env:
   - TOXENV=py27