diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8009b8a..01af650 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,62 +9,78 @@ jobs:
       matrix:
         include:
           # Django 2.2
-          - django-version: "2.2.0"
-            python-version: "3.5"
-          - django-version: "2.2.0"
-            python-version: "3.6"
-          - django-version: "2.2.0"
+          - django-version: "2.2"
             python-version: "3.7"
-          - django-version: "2.2.0"
+          - django-version: "2.2"
             python-version: "3.8"
-          - django-version: "2.2.0"
+          - django-version: "2.2"
             python-version: "3.9"
 
           # Django 3.0
-          - django-version: "3.0.0"
-            python-version: "3.6"
-          - django-version: "3.0.0"
+          - django-version: "3.0"
             python-version: "3.7"
-          - django-version: "3.0.0"
+          - django-version: "3.0"
             python-version: "3.8"
-          - django-version: "3.0.0"
+          - django-version: "3.0"
             python-version: "3.9"
 
           # Django 3.1
-          - django-version: "3.1.0"
-            python-version: "3.6"
-          - django-version: "3.1.0"
+          - django-version: "3.1"
             python-version: "3.7"
-          - django-version: "3.1.0"
+          - django-version: "3.1"
             python-version: "3.8"
-          - django-version: "3.1.0"
+          - django-version: "3.1"
             python-version: "3.9"
 
           # Django 3.2
-          - django-version: "3.2.0"
-            python-version: "3.6"
-          - django-version: "3.2.0"
+          - django-version: "3.2"
             python-version: "3.7"
-          - django-version: "3.2.0"
+          - django-version: "3.2"
             python-version: "3.8"
-          - django-version: "3.2.0"
+          - django-version: "3.2"
             python-version: "3.9"
-          - django-version: "3.2.0"
+          - django-version: "3.2"
             python-version: "3.10"
 
           # Django 4.0
-          - django-version: "4.0.0"
+          - django-version: "4.0"
             python-version: "3.8"
-          - django-version: "4.0.0"
+          - django-version: "4.0"
             python-version: "3.9"
-          - django-version: "4.0.0"
+          - django-version: "4.0"
             python-version: "3.10"
 
+          # Django 4.1
+          - django-version: "4.1"
+            python-version: "3.8"
+          - django-version: "4.1"
+            python-version: "3.9"
+          - django-version: "4.1"
+            python-version: "3.10"
+
+          # Django 4.2
+          - django-version: "4.2"
+            python-version: "3.8"
+          - django-version: "4.2"
+            python-version: "3.9"
+          - django-version: "4.2"
+            python-version: "3.10"
+          - django-version: "4.2"
+            python-version: "3.11"
+
+          # Django 5.0
+          - django-version: "5.0"
+            python-version: "3.10"
+          - django-version: "5.0"
+            python-version: "3.11"
+          - django-version: "5.0"
+            python-version: "3.12"
+
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
 
diff --git a/CHANGES.rst b/CHANGES.rst
index eece077..c2201d5 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,7 +4,11 @@ CHANGES
 2.0.1 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Resolve `SHA1PasswordHasher` deprecation warning for Django 4.0 and above
+- Resolve `pkg_resources` deprecation warning for Python 3.8 and above
+- Add test coverage for Django 4.1, 4.2, and 5.0
+- Add test coverage for Python 3.11 and 3.12
+- Python 3.5 and 3.6 are no longer availble in GitHub runner using `ubuntu-latest`
 
 
 2.0.0 (2022-07-29)
diff --git a/authtools/__init__.py b/authtools/__init__.py
index f7da2c3..ca89bb9 100644
--- a/authtools/__init__.py
+++ b/authtools/__init__.py
@@ -1,3 +1,8 @@
-import pkg_resources
+try:
+    from importlib.metadata import version
 
-__version__ = pkg_resources.get_distribution('django-authtools').version
+    __version__ = version('django-authtools')
+except ImportError:
+    import pkg_resources
+
+    __version__ = pkg_resources.get_distribution('django-authtools').version
diff --git a/docs/index.rst b/docs/index.rst
index a022293..fb2f638 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,7 +1,7 @@
 django-authtools
 ================
 
-A custom user model app for Django 1.5+. It tries to stay true to the built-in
+A custom user model app for Django 2.2+. It tries to stay true to the built-in
 User model for the most part.  The main differences between authtools and
 django.contrib.auth are a User model with email as username.
 
diff --git a/tests/tests/settings.py b/tests/tests/settings.py
index be81fc3..7abbee2 100644
--- a/tests/tests/settings.py
+++ b/tests/tests/settings.py
@@ -58,13 +58,8 @@
     },
 ]
 
-# sha1 hasher was removed as a default in django 1.10. Need it for the tests.
 PASSWORD_HASHERS = [
-    'django.contrib.auth.hashers.SHA1PasswordHasher',
     'django.contrib.auth.hashers.PBKDF2PasswordHasher',
-    'django.contrib.auth.hashers.PBKDF2SHA1PasswordHasher',
-    'django.contrib.auth.hashers.BCryptSHA256PasswordHasher',
-    'django.contrib.auth.hashers.BCryptPasswordHasher',
 ]
 
 USE_TZ = False
diff --git a/tests/tests/tests.py b/tests/tests/tests.py
index 343d31f..687f972 100644
--- a/tests/tests/tests.py
+++ b/tests/tests/tests.py
@@ -154,12 +154,12 @@ def test_uses_auth_password_validators(self):
 
 
 @skipIfCustomUser
-@override_settings(USE_TZ=False, PASSWORD_HASHERS=('django.contrib.auth.hashers.SHA1PasswordHasher',))
+@override_settings(USE_TZ=False)
 class UserChangeFormTest(TestCase):
     @classmethod
     def setUpTestData(cls):
         cls.u1 = User.objects.create(
-            password='sha1$6efc0$f93efe9fd7542f25a7be94871ea45aa95de57161',
+            password='pbkdf2_sha256$600000$U3$rhq9d758wGq/JU5/+bkG8OqDVY05d04zKD4cuamR+Sk=',
             last_login=datetime.datetime(2006, 12, 17, 7, 3, 31), is_superuser=False, username='testclient',
             first_name='Test', last_name='Client', email='testclient@example.com', is_staff=False, is_active=True,
             date_joined=datetime.datetime(2006, 12, 17, 7, 3, 31)
@@ -242,7 +242,7 @@ def test_bug_19133(self):
         form = UserChangeForm(instance=user, data=post_data)
 
         self.assertTrue(form.is_valid())
-        self.assertEqual(form.cleaned_data['password'], 'sha1$6efc0$f93efe9fd7542f25a7be94871ea45aa95de57161')
+        self.assertEqual(form.cleaned_data['password'], 'pbkdf2_sha256$600000$U3$rhq9d758wGq/JU5/+bkG8OqDVY05d04zKD4cuamR+Sk=')
 
     def test_bug_19349_bound_password_field(self):
         user = User.objects.get(username='testclient')
diff --git a/tox.ini b/tox.ini
index fcaac30..2972bac 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,17 @@
 [tox]
 envlist=
-    py39-dj{22,30,31,32,40}
+    py37-dj{22,30,32,32}
+    py{38,39}-dj{22,30,31,32,40,41,42}
+    py{10}-dj{32,40,41,42,50}
+    py{11,12}-dj{42,50}
 [testenv]
 python=
+  py37: python3.7
+  py38: python3.8
   py39: python3.9
+  py310: python3.10
+  py311: python3.11
+  py312: python3.12
 commands=
   /usr/bin/env
   make test
@@ -13,6 +21,9 @@ deps=
   dj31: Django>=3.1,<3.2
   dj32: Django>=3.2,<3.3
   dj40: Django>=4.0,<4.1
+  dj41: Django>=4.1,<4.2
+  dj42: Django>=4.2,<4.3
+  dj50: Django>=5.0,<5.1
 whitelist_externals=
   env
   make