diff --git a/.travis.yml b/.travis.yml
index bb8da08..888a804 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,8 @@
 language: python
 python:
   - "2.7"
-  - "3.3"
   - "3.4"
   - "3.5"
-  - "3.5-dev" # 3.5 development branch
-  - "3.6-dev" # 3.6 development branch
-  - "nightly" # currently points to 3.7-dev
+  - "3.6"
 install: pip install -e .
 script: python setup.py test