diff --git a/.travis.yml b/.travis.yml
index f0cc886..137f3ff 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: python
 python:
   - "3.6"
-  - "3.7"
+  - "3.7-dev"
 matrix:
   fast_finish: true
 before_install: