diff --git a/.travis.yml b/.travis.yml
index a92777c..454beff 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,7 @@
 language: python
+install: pip install tox-travis
+script: tox
+
 python:
-  - 2.7
-install: pip install tox --use-mirrors
-script: tox
\ No newline at end of file
+  - "2.7"
+  - "3.7"
diff --git a/README.rst b/README.rst
index 1f74e86..0c6e36a 100644
--- a/README.rst
+++ b/README.rst
@@ -1,3 +1,6 @@
+.. image:: https://travis-ci.org/supervacuo/django-memcachedkeys.svg?branch=python3
+    :target: https://travis-ci.org/supervacuo/django-memcachedkeys
+
 =============================
 django-memcachedkeys
 =============================
diff --git a/memcachedkeys/__init__.py b/memcachedkeys/__init__.py
index aff3661..7615a6e 100644
--- a/memcachedkeys/__init__.py
+++ b/memcachedkeys/__init__.py
@@ -1,9 +1,11 @@
+from __future__ import unicode_literals
+
 from memcachedkeys.pkgmeta import *
 import re
 from hashlib import md5
 
 
-bad_key_chars = re.compile(ur'[\u0000-\u001f\s]+')
+bad_key_chars = re.compile(r'[\u0000-\u001f\s]+')
 MAX_LENGTH = 250
 
 
@@ -17,7 +19,7 @@ def make_key(key, key_prefix, version):
     full_key = ':'.join([key_prefix, version_str, clean_key])
 
     if clean_key != key or len(full_key) > MAX_LENGTH:
-        hashed_key = md5(key).hexdigest()
+        hashed_key = md5(key.encode('utf-8')).hexdigest()
         abbrev_keylen = MAX_LENGTH - len(hashed_key) - len('::[]') - len(key_prefix) - len(version_str)
         new_key = '%s[%s]' % (clean_key[:abbrev_keylen], hashed_key)
         full_key = ':'.join([key_prefix, version_str, new_key])
diff --git a/memcachedkeys/pkgmeta.py b/memcachedkeys/pkgmeta.py
index f56911d..4e3d0f2 100644
--- a/memcachedkeys/pkgmeta.py
+++ b/memcachedkeys/pkgmeta.py
@@ -5,4 +5,4 @@
 )
 
 globals().update(pkgmeta)
-__all__ = pkgmeta.keys()
\ No newline at end of file
+__all__ = list(pkgmeta.keys())
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 8640c81..81411b1 100755
--- a/setup.py
+++ b/setup.py
@@ -8,23 +8,10 @@
 
 
 pkgmeta = {}
-execfile(os.path.join(os.path.dirname(__file__),
-         'memcachedkeys', 'pkgmeta.py'), pkgmeta)
-
-
-class PyTest(TestCommand):
-    def finalize_options(self):
-        TestCommand.finalize_options(self)
-        self.test_args = ['tests', '-s']
-        self.test_suite = True
-
-    def run_tests(self):
-        import pytest
-        # Make sure this package's tests module gets priority.
-        sys.path.insert(0, os.path.abspath(os.path.dirname(__file__)))
-        errno = pytest.main(self.test_args)
-        sys.exit(errno)
-
+pkgmeta_path = os.path.join(os.path.dirname(__file__), 'memcachedkeys', 'pkgmeta.py')
+with open(pkgmeta_path) as f:
+    code = compile(f.read(), pkgmeta_path, 'exec')
+    exec(code, pkgmeta)
 
 class LintCommand(Command):
     """
@@ -65,11 +52,8 @@ def distribution_files(self):
     setup_requires=[
         'flake8',
     ],
-    tests_require=[
-        'pytest-django',
-    ],
     install_requires=[
-        'Django>=1.2',
+        'Django>=1.11',
     ],
     zip_safe=False,
     keywords='django-memcachedkeys',
@@ -86,7 +70,6 @@ def distribution_files(self):
         'Programming Language :: Python :: 3.3',
     ],
     cmdclass={
-        'test': PyTest,
         'lint': LintCommand,
     },
 )
diff --git a/tox.ini b/tox.ini
index f7c7366..c59d659 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,13 @@
 [tox]
-envlist = py27, py26
+envlist =
+    py37-django{200,202},
+    {py27,py37}-django{110,111},
 
 [testenv]
-commands = python setup.py test
+commands = pytest tests -s
+deps =
+    pytest-django
+    django110: Django==1.10.8
+    django111: Django==1.11.26
+    django200: Django==2.0.13
+    django202: Django==2.2.7