diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 5936691dc..aab90cfd9 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -15,6 +15,16 @@ Contribute
 * Send a pull request with your changes.
 * Provide a translation using Transifex_.
 
+Local installation
+------------------
+
+Install the development dependencies, which also installs the package in editable mode
+for local development and additional development tools.
+
+.. code-block:: console
+
+    pip install -r requirements_dev.txt
+
 Running tests
 -------------
 This project aims for full code-coverage, this means that your code should be
diff --git a/docs/requirements.rst b/docs/requirements.rst
index 99b5d56ba..505688df7 100644
--- a/docs/requirements.rst
+++ b/docs/requirements.rst
@@ -3,11 +3,12 @@ Requirements
 
 Django
 ------
-Supported Django versions are supported. Currently this list includes Django 3.2, 4.0, 4.1, and 4.2.
+Supported Django versions are supported. Currently this list includes Django 3.2, 4.0,
+4.1, 4.2 and 5.0.
 
 Python
 ------
-The following Python versions are supported: 3.8, 3.9, 3.10 and 3.11 with a
+The following Python versions are supported: 3.8, 3.9, 3.10, 3.11 and 3.12 with a
 limit to what Django itself supports. As support for older Django versions is
 dropped, the minimum version might be raised. See also `What Python version can
 I use with Django?`_.
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5227a338b..b0ed90ea9 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,11 +1,6 @@
 # The app itself
 
--e .
-
-# Additional runtime dependencies
-
-twilio
-phonenumberslite
+-e .[call,sms,webauthn,yubikey,phonenumberslite,tests,linting]
 
 # Example app
 
@@ -13,18 +8,6 @@ django-debug-toolbar
 django-bootstrap-form
 django-user-sessions
 
-# Example app (WebAuthn)
-
-webauthn~=2.0.0
-
-# Testing
-
-coverage
-flake8
-tox
-isort
-freezegun
-
 # Documentation
 
 Sphinx
diff --git a/setup.py b/setup.py
index 183ca6a8b..0c6b66581 100644
--- a/setup.py
+++ b/setup.py
@@ -25,6 +25,16 @@
         'yubikey': ['django-otp-yubikey'],
         'phonenumbers': ['phonenumbers>=7.0.9,<8.99'],
         'phonenumberslite': ['phonenumberslite>=7.0.9,<8.99'],
+        # used internally for local development & CI
+        'tests': [
+            'coverage',
+            'freezegun',
+            'tox',
+        ],
+        'linting': [
+            'flake8<=6.99',
+            'isort<=5.99',
+        ],
     },
     include_package_data=True,
     classifiers=[
diff --git a/tox.ini b/tox.ini
index bcb2cf503..4469108ed 100644
--- a/tox.ini
+++ b/tox.ini
@@ -47,12 +47,9 @@ deps =
     dj42: Django<5.0
     dj50: Django<5.1
     djmain: https://github.com/django/django/archive/main.tar.gz
-    yubikey: django-otp-yubikey
-    webauthn: webauthn>=2.0,<2.99
     webauthn: -rrequirements_e2e.txt
-    coverage
-    freezegun
 extras =
+    tests
     call
     phonenumberslite
     yubikey: yubikey
@@ -65,10 +62,10 @@ commands =
 
 [testenv:flake8]
 basepython = python3
-deps = flake8<=6.99
+extras = linting
 commands = flake8 example tests two_factor
 
 [testenv:isort]
 basepython = python3
-deps = isort<=5.99
-commands = isort -rc -c --diff example tests two_factor
+extras = linting
+commands = isort -c --diff example tests two_factor