diff --git a/.travis.yml b/.travis.yml
index 5972811..a0bb50a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ python:
   - "2.7"
   - "3.4"
   - "3.5"
+  - "nightly"
 install:
   - sudo apt-get update
   - if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]]; then