diff --git a/setup.cfg b/setup.cfg
index 5f465ef6e..498ec14ac 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,2 @@
-[wheel]
-universal = 1
-
 [metadata]
 license_file = LICENSE.txt
diff --git a/setup.py b/setup.py
index 84918f1ae..2787d659b 100755
--- a/setup.py
+++ b/setup.py
@@ -57,6 +57,7 @@
         'djangorestframework',
         'pyjwt',
     ],
+    python_requires='>=3.5,<4',
     extras_require=extras_require,
     packages=find_packages(exclude=['tests', 'tests.*', 'licenses', 'requirements']),
     classifiers=[