diff --git a/.travis.yml b/.travis.yml
index 7970b1f..1406bf0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -51,8 +51,20 @@ matrix:
       env: REQ="Django>=3.1,<3.2"
     - python: "3.8"
       env: REQ="Django>=3.2,<3.3"
+    - python: "3.8"
+      env: REQ="Django>=4.0,<4.1"
+    - python: "3.8"
+      env: REQ="Django>=4.1,<4.2"
     - python: "3.9"
       env: REQ="Django>=3.2,<3.3"
+    - python: "3.9"
+      env: REQ="Django>=4.0,<4.1"
+    - python: "3.9"
+      env: REQ="Django>=4.1,<4.2"
+    - python: "3.10"
+      env: REQ="Django>=4.1,<4.2"
+    - python: "3.11"
+      env: REQ="Django>=4.1,<4.2"
 before_install:
   - sudo apt-get -y install firefox-geckodriver
 install:
diff --git a/README.rst b/README.rst
index c549a55..39909c4 100644
--- a/README.rst
+++ b/README.rst
@@ -4,17 +4,17 @@ Welcome to django-more-admin-filters
 
 .. image:: https://travis-ci.com/thomst/django-more-admin-filters.svg?branch=master
     :target: https://travis-ci.com/thomst/django-more-admin-filters
-    
+
 .. image:: https://coveralls.io/repos/github/thomst/django-more-admin-filters/badge.svg?branch=master
     :target: https://coveralls.io/github/thomst/django-more-admin-filters?branch=master
 
 .. image:: https://img.shields.io/badge/python-3.5%20%7C%203.6%20%7C%203.7%20%7C%203.8%20%7C%203.9-blue
    :target: https://img.shields.io/badge/python-3.5%20%7C%203.6%20%7C%203.7%20%7C%203.8%20%7C%203.9-blue
-   :alt: python: 3.5, 3.6, 3.7, 3.8, 3.9
+   :alt: python: 3.5, 3.6, 3.7, 3.8, 3.9, 3.10, 3.11
 
 .. image:: https://img.shields.io/badge/django-1.11%20%7C%202.0%20%7C%202.1%20%7C%202.2%20%7C%203.0%20%7C%203.1%20%7C%203.2-orange
    :target: https://img.shields.io/badge/django-1.11%20%7C%202.0%20%7C%202.1%20%7C%202.2%20%7C%203.0%20%7C%203.1%20%7C%203.2-orange
-   :alt: django: 1.11, 2.0, 2.1, 2.2, 3.0, 3.1, 3.2
+   :alt: django: 1.11, 2.0, 2.1, 2.2, 3.0, 3.1, 3.2, 4.0, 4.1
 
 
 Description
diff --git a/more_admin_filters/filters.py b/more_admin_filters/filters.py
index 8a41b54..145c473 100644
--- a/more_admin_filters/filters.py
+++ b/more_admin_filters/filters.py
@@ -2,7 +2,6 @@
 from django.contrib.admin.utils import prepare_lookup_value
 from django.contrib import admin
 from django.db.models import Q
-from django.utils.encoding import force_text
 from django.utils.translation import gettext_lazy as _
 from django.contrib.admin.utils import reverse_field_path
 from django.contrib.admin.utils import get_model_from_relation
diff --git a/setup.py b/setup.py
index 1cc2bef..53ea8c8 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ setup(
     packages=find_packages(exclude=["tests"]),
     include_package_data=True,
     install_requires=[
-        "Django>=1.11,<3.3",
+        "Django>=1.11,<=4.1",
     ],
     classifiers=[
         dev_status,
@@ -48,6 +48,9 @@ setup(
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
         "Topic :: Software Development",
         "Topic :: Software Development :: Libraries :: Application Frameworks",
diff --git a/tests/testapp/urls.py b/tests/testapp/urls.py
index c242ced..5b692c8 100644
--- a/tests/testapp/urls.py
+++ b/tests/testapp/urls.py
@@ -14,8 +14,8 @@ Including another URLconf
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 from django.contrib import admin
-from django.conf.urls import url
+from django.urls import re_path
 
 urlpatterns = [
-    url(r'^admin/', admin.site.urls),
+    re_path(r'^admin/', admin.site.urls),
 ]
diff --git a/tox.ini b/tox.ini
index 4e8584c..d54deab 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,6 +12,8 @@ envlist =
     {py36,py37,py38}-django30,
     {py36,py37,py38}-django31,
     {py36,py37,py38,py39}-django32
+    {py38,py39}-django40
+    {py38,py39,py310,py311}-django41
 skip_missing_interpreters = true
 
 [testenv]
@@ -23,6 +25,8 @@ deps =
     django30: Django>=3.0,<3.1
     django31: Django>=3.1,<3.2
     django32: Django>=3.2,<3.3
+    django40: Django>=4.0,<4.1
+    django41: Django>=4.1,<4.2
     selenium
 
 commands = {envpython} tests/manage.py test testapp {posargs}