diff --git a/README.rst b/README.rst
index e31611a..622b068 100644
--- a/README.rst
+++ b/README.rst
@@ -26,7 +26,7 @@ For release notes, see `Changelog <https://raw.githubusercontent.com/modlinltd/d
 Requirements
 ============
 
--  Django >= 1.9 (Django 1.9 - 3.0 on Python 2/3/PyPy3)
+-  Django >= 1.9 (Django 1.9 - 3.1 on Python 2/3/PyPy3)
 -  django-braces >= 1.4, <= 1.14.0
 -  simplejson >= 3.6.5, < 4
 
diff --git a/setup.py b/setup.py
index c591108..096a6a3 100644
--- a/setup.py
+++ b/setup.py
@@ -85,6 +85,7 @@ def get_full_description():
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Framework :: Django',
         'Framework :: Django :: 1.9',
         'Framework :: Django :: 1.10',
diff --git a/tox.ini b/tox.ini
index 8b47779..d6b3487 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,7 +5,8 @@ envlist =
     py36-django{111,20,21,22,30,31}
     py37-django{111,20,21,22,30,31}
     py38-django{22,30,31}
-    pypy3-django{19,110,111,20,21,22,30}
+    py39-django{22,30,31}
+    pypy3-django{19,110,111,20,21,22,30,31}
 
 [pycodestyle]
 max-line-length = 120