diff --git a/.travis.yml b/.travis.yml
index c804c42..c240153 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,10 @@ python:
   - "3.3"
   - "3.4"
   - "3.5"
+  - "3.6"
+  - "3.6-dev"
+  - "3.7-dev"
+  - "nightly"
   - "pypy"
 install:
   - if [[ $TRAVIS_PYTHON_VERSION == 2.6 ]]; then pip install -r py26-requirements.txt; fi