diff --git a/.travis.yml b/.travis.yml
index cd0cdfe..ed6da4d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,16 @@ python:
   - "3.3"
   - "3.4"
   - "3.5"
+  - "3.5-dev"
   - "3.6"
+  - "3.6-dev"
+  - "3.7-dev"
+matrix:
+  allow_failures:
+    - python: "3.5-dev"
+    - python: "3.6-dev"
+    - python: "3.7-dev"
+  fast_finish: true
 before_install:
   - "sudo apt-get -q update"
   - "pip install -U pip"