diff --git a/.travis.yml b/.travis.yml
index 82c5344..d23d815 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,13 @@
 language: python
+sudo: false
 python:
   - "2.7"
   - "3.3"
   - "3.4"
+  - "3.5"
+  - "pypy"
+  - "pypy3"
+  - "nightly"
 install:
   - pip install -r requirements/development python-coveralls
 script: