diff --git a/.travis.yml b/.travis.yml
index b7693f63..e0fbdba9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ python:
   - "3.4"
   - "3.5"
   - "3.6"
-  # - "3.7-dev"
+  - "3.7-dev"
   # - "pypy"  -- appears to hang
   # - "pypy3"
 # command to install dependencies