diff --git a/CHANGES.rst b/CHANGES.rst
index d4bbb8b..f14528c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,10 +2,10 @@
 Changes
 =======
 
-Unreleased
-----------
+0.9.1
+-----
 
-* Fix failing tests for Django main development branch (Django 4.0)
+- Fix failing tests for Django main development branch (Django 4.0) [@JonathanWillitts]
 
 0.9.0
 -----
diff --git a/README.rst b/README.rst
index 00f3eb5..fabd68e 100644
--- a/README.rst
+++ b/README.rst
@@ -109,7 +109,7 @@ Requirements
 ------------
 
 * Python: 3.6, 3.7, 3.8, 3.9, PyPy
-* Django: 2.2, 3.x
+* Django: 2.2, 3.x, 4.x
 * Redis
 
 
@@ -495,12 +495,12 @@ Below is a sample ``BasicAuthenticationDefender`` class based on ``rest_framewor
    from rest_framework.authentication import (
        get_authorization_header,
    )
-   
+
    # Get the UserModel
    UserModel = get_user_model()
-   
+
    class BasicAuthenticationDefender(serializers.Serializer):
-   
+
       username = serializers.CharField(required=False, allow_blank=True)
       email = serializers.EmailField(required=False, allow_blank=True)
       password = serializers.CharField(style={'input_type': 'password'})
@@ -645,7 +645,7 @@ To make it work add ``BasicAuthenticationDefender`` to ``REST_AUTH_SERIALIZERS``
 For example, in your settings.py add the below line,
 
 .. code-block:: python
-   
+
    REST_AUTH_SERIALIZERS = {
        'LOGIN_SERIALIZER': '<path to your basic authentication defender python file>.BasicAuthenticationDefender',
    }
diff --git a/defender/__init__.py b/defender/__init__.py
index dd2df98..9def504 100644
--- a/defender/__init__.py
+++ b/defender/__init__.py
@@ -1,3 +1,3 @@
-VERSION = (0, 9, 0)
+VERSION = (0, 9, 1)
 
 __version__ = ".".join((map(str, VERSION)))
diff --git a/setup.py b/setup.py
index 4e3206a..f262d01 100644
--- a/setup.py
+++ b/setup.py
@@ -34,6 +34,7 @@ setup(
         "Framework :: Django :: 2.2",
         "Framework :: Django :: 3.1",
         "Framework :: Django :: 3.2",
+        "Framework :: Django :: 4.0",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: OS Independent",