diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index e9e1779..549329b 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -11,58 +11,34 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        django_version: [ '3.2', '4.0', '4.1', '4.2' ]
-        python_version: [ '3.7', '3.8', '3.9', '3.10', '3.11' ]
-        exclude:
-          - django_version: '3.2'
-            python_version: '3.11'
-
-          - django_version: '4.0'
-            python_version: '3.11'
-
-          - django_version: '4.1'
-            python_version: '3.11'
-
-          - django_version: '4.0'
-            python_version: '3.7'
-
-          - django_version: '4.1'
-            python_version: '3.7'
-
-          - django_version: '4.2'
-            python_version: '3.7'
+        python_version:
+          - '3.8'
+          - '3.9'
+          - '3.10'
+          - '3.11'
+          - '3.12'
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python_version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python_version }}
     - name: Cache pip
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         # This path is specific to Ubuntu
         path: ~/.cache/pip
-        key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ matrix.django_version }}
+        key: ${{ runner.os }}-pip-${{ matrix.python-version }}
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -e .
-        pip install -U flake8 coveralls argparse mypy django-stubs types-setuptools
-        pip install -U Django~=${{ matrix.django_version }}
-    - name: Lint with flake8
-      run: |
-        flake8 --ignore=E501,W504 safedelete
-    - name: Check typings
-      run: |
-        mypy --config-file mypy.ini safedelete
-    - name: Test Django
-      if: matrix.django_version != '1.11'
-      run: |
-        python -W error::DeprecationWarning -W error::PendingDeprecationWarning \
-          -m coverage run `which django-admin` test --settings=safedelete.tests.settings
+        python -m pip install --upgrade 'tox>=4.0.0rc3'
+    - name: Run tox targets for ${{ matrix.python_version }}
+      run: tox run -f py$(echo ${{ matrix.python_version }} | tr -d .)
+
     - name: Coverage
       if: ${{ success() }}
       run: |
diff --git a/CHANGES b/CHANGES
index c6abdd1..9b9d6bc 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,7 +5,7 @@ CHANGELOG
 1.3.4 (unreleased)
 ==================
 
--
+- Support Python 3.11 / Django 5.0
 
 1.3.3 (2023-11-13)
 ==================
diff --git a/safedelete/admin.py b/safedelete/admin.py
index ec32051..45f954a 100644
--- a/safedelete/admin.py
+++ b/safedelete/admin.py
@@ -12,7 +12,7 @@
 from django.utils.encoding import force_str
 from django.utils.html import conditional_escape, format_html
 from django.utils.translation import gettext_lazy as _
-from pkg_resources import parse_version
+from packaging.version import parse as parse_version
 
 from .config import FIELD_NAME
 from .utils import related_objects
diff --git a/setup.py b/setup.py
index eb1ec5c..0be7cf9 100644
--- a/setup.py
+++ b/setup.py
@@ -53,6 +53,6 @@ def get_version(package_name):
         'Development Status :: 4 - Beta',
     ],
     license='BSD',
-    install_requires=['Django'],
+    install_requires=['Django', 'packaging'],
     include_package_data=True,
 )
diff --git a/tox.ini b/tox.ini
index 701c627..04f7722 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,34 +1,35 @@
 [tox]
 skipsdist = True
 envlist =
-    {py37}-django-{32}
     {py38}-django-{32,40,41,42}
     {py39}-django-{32,40,41,42}
-    {py310}-django-{32,40,41,42}
-    {py311}-django-{32,40,41,42}
-    {py310}-isort
-    {py310}-flake8
-    {py310}-mypy
+    {py310}-django-{32,40,41,42,50}
+    {py311}-django-{32,40,41,42,50}
+    {py312}-django-{41,42,50}
+    isort
+    flake8
+    mypy
 
 [testenv]
 setenv =
     PYTHONPATH = {toxinidir}:{toxinidir}
 deps =
-    flake8: flake8>=2.0,<3.0
-    django-32: Django>=3.2,<3.3
+    coverage
+    packaging>=24.0
+    django-32: Django>=3.2,<4.0
     django-40: Django>=4.0,<4.1
     django-41: Django>=4.1,<4.2
     django-42: Django>=4.2,<5.0
-    mypy: mypy
-    mypy: Django>=4.1,<5.0
-    mypy: django-stubs
-    mypy: types-setuptools
-    isort: isort
+    django-50: Django>=5.0,<5.1
+
 commands =
-    isort: isort .
-    flake8: flake8 safedelete --ignore=E501
-    django: {toxinidir}/runtests.py {posargs}
-    mypy: mypy --config-file mypy.ini {posargs: safedelete}
+    python \
+        -W error::DeprecationWarning \
+        -W error::PendingDeprecationWarning \
+        -W ignore:::site \
+        -W ignore:::distutils \
+        -m coverage run \
+        {toxinidir}/runtests.py {posargs}
 
 [testenv:docs]
 basepython = python
@@ -36,10 +37,32 @@ changedir = docs
 deps =
     sphinx
     sphinx_rtd_theme
-    Django>=4.2,<5.0
+    Django>=5.0,<5.1
 commands =
     sphinx-build -W -b html -d build/doctrees . build/html
 
+[testenv:mypy]
+usedevelop = false
+basepython = python3.12
+deps =
+    mypy
+    Django>=5.0,<5.1
+    django-stubs
+    types-setuptools
+commands = mypy --config-file mypy.ini {posargs: safedelete}
+
+[testenv:flake8]
+usedevelop = false
+basepython = python3.12
+deps = flake8
+commands = flake8 --ignore=E501,W504 safedelete
+
+[testenv:isort]
+usedevelop = false
+basepython = python3.12
+deps = isort
+commands = isort .
+
 [isort]
 skip_gitignore = true
 include_trailing_comma = true