diff --git a/.travis.yml b/.travis.yml
index 3d41bfa4b..51dca4cc6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -56,6 +56,9 @@ matrix:
       sudo: required
     - python: "2.7"
       env: TOXENV=nginxroundtrip
+    - language: generic
+      env: TOXENV=py36
+      os: osx
 
 
 # Only build pushes to the master branch, PRs, and branches beginning with