diff --git a/.travis.yml b/.travis.yml
index b3ce200..ba9d1d2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,20 @@
 language: python
+dist: trusty
+sudo: false
+
+python:
+  - "2.6"
+  - "2.7"
+  - "3.3"
+  - "3.4"
+  - "3.5"
+  - "3.6"
+  - "pypy"
+  - "pypy3"
 
 install:
-- PIP_USE_MIRRORS=true PIP_DOWNLOAD_CACHE=~/.cache/pip pip install tox
+  - travis_retry pip install --upgrade pip
+  - travis_retry pip install tox pytest
 
 script:
-- PIP_USE_MIRRORS=true PIP_DOWNLOAD_CACHE=~/.cache/pip tox
-
+ - tox -e $(echo py$TRAVIS_PYTHON_VERSION | tr -d . | sed -e 's/pypypy/pypy/')
diff --git a/README b/README
index 73e7ec8..655fb60 100644
--- a/README
+++ b/README
@@ -48,7 +48,7 @@ To test compatibility across Python releases::
     tox
 
 rfc6266 is currently tested under Python 2.7, Python 2.6,
-Python 3.3, Python 3.2, and PyPy (1.7).
+Python 3.3, Python 3.4, Python 3.5, Python 3.6 and PyPy (1.7), PyPy(5.10.0) for Python3.
 
 .. image:: https://secure.travis-ci.org/g2p/rfc6266.png
    :target: https://secure.travis-ci.org/g2p/rfc6266
diff --git a/tox.ini b/tox.ini
index a30cc1e..1b583fb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist=py27,py26,py32,py33,pypy
+envlist=py27,py26,py33,py34,py35,py36,pypy,pypy3
 
 [testenv]
 deps=