diff --git a/.travis.yml b/.travis.yml
index 7e54c631..9c352b02 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,11 @@
 language: python
 python:
-  - "2.7"
+  - "3.5"  # Python 3.5 still needs to be installed on Travis-CI
 
 env:
   - TOX_ENV=py27
   - TOX_ENV=py34
+  - TOX_ENV=py35
   - TOX_ENV=pypy26
   - TOX_ENV=pep8
 
diff --git a/tox.ini b/tox.ini
index 13063520..f927e652 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py34,pypy26,pep8
+envlist = py27,py34,py35,pypy26,pep8
 
 [testenv]
 deps = -U