diff --git a/.travis.yml b/.travis.yml
index 3e7de1d..3886439 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,22 @@
 sudo: false
+
 language: python
+
 python:
   - "2.7"
   - "3.4"
   - "3.5"
-install: pip install tox-travis
-script: tox
+
+env:
+  - DJANGO="Django>=1.8,<1.9"
+  - DJANGO="Django>=1.9,<1.10"
+  - DJANGO="Django>=1.10,<1.11"
+
+install:
+  - pip install $DJANGO -e .[tests]
+  - pip freeze
+
+script:
+  - python runtests.py
+  - flake8
+  - isort --check-only --recursive channels
diff --git a/README.rst b/README.rst
index 2ca9a71..5d1877f 100644
--- a/README.rst
+++ b/README.rst
@@ -33,6 +33,12 @@ You'll likely also want to ``asgi_redis`` to provide the Redis channel layer.
 See our `installation <https://channels.readthedocs.io/en/latest/installation.html>`_
 and `getting started <https://channels.readthedocs.io/en/latest/getting-started.html>`_ docs for more.
 
+Dependencies
+------------
+
+All Channels projects currently support Python 2.7, 3.4 and 3.5. `channels` supports all released
+Django versions, namely 1.8-1.10.
+
 
 Contributing
 ------------
diff --git a/runtests.py b/runtests.py
old mode 100644
new mode 100755
diff --git a/setup.py b/setup.py
index ac0567f..e69f558 100644
--- a/setup.py
+++ b/setup.py
@@ -13,9 +13,12 @@ setup(
     include_package_data=True,
     install_requires=[
         'Django>=1.8',
-        'asgiref>=0.13',
+        'asgiref>=1.0.0',
         'daphne>=1.0.0',
     ],
+    extras_require={
+        'tests': ['coverage', 'mock', 'tox', 'flake8>=2.0,<3.0', 'isort']
+    },
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Environment :: Web Environment',
diff --git a/tox.ini b/tox.ini
index 8b95ac3..1937445 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,33 +1,16 @@
 [tox]
-skipsdist = True
 envlist =
-    {py27}-django-{18,19,110}
-    {py34}-django-{18,19,110}
-    {py35}-django-{18,19,110}
+    {py27,34,35}-django-{18,19,110}
     {py27,py35}-flake8
     isort
 
-[tox:travis]
-2.7 = py27, isort
-
 [testenv]
-setenv =
-    PYTHONPATH = {toxinidir}:{toxinidir}
+extras = tests
 deps =
-    autobahn
-    coverage
-    daphne
-    asgiref>=0.9
-    six
-    redis==2.10.5
-    py27: mock
-    flake8: flake8>=2.0,<3.0
-    isort: isort
     django-18: Django>=1.8,<1.9
     django-19: Django>=1.9,<1.10
     django-110: Django>=1.10,<1.11
 commands =
     flake8: flake8
-    isort: isort -c -rc channels
+    isort: isort --check-only --recursive channels
     django: coverage run --parallel-mode {toxinidir}/runtests.py
-