diff --git a/.travis.yml b/.travis.yml
index 3909f43..146f0ec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,9 @@
 language: python
 python:
   - 3.5
+  - 3.5-dev
   - 3.6
+  - 3.6-dev
   - nightly
 install:
   - make install-dev