diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 5dbf26b..42a7c07 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,6 +1,5 @@
 [bumpversion]
 current_version = 1.2.0
-files = setup.cfg README.rst
+files = src/verification/__init__.py README.rst
 commit = False
 tag = False
-
diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
index ad33c4c..740a85f 100644
--- a/.github/workflows/tox.yml
+++ b/.github/workflows/tox.yml
@@ -3,19 +3,36 @@ name: CI
 on: [push, pull_request]
 
 jobs:
+  lint:
+    name: Lint with flake8
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: "actions/checkout@v4"
+
+    - uses: "actions/setup-python@v4"
+      with:
+        python-version: "3.10"
+
+    - run: |
+        pip install flake8
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 --count --select=E9,F63,F7,F82 --show-source --statistics src/
+
   tests:
     name: "Python ${{ matrix.python-version }}"
+    needs: lint
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        python-version: [3.8,3.9]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     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@v4"
       with:
         python-version: ${{ matrix.python-version }}
 
@@ -24,15 +41,9 @@ jobs:
         set -xe
         python -VV
         python -m site
-        python -m pip install --upgrade pip "setuptools<46" wheel
+        python -m pip install --upgrade pip wheel
         python -m pip install --upgrade virtualenv tox tox-gh-actions
 
-    - name: Lint with flake8
-      run: |
-        pip install flake8
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 --count --select=E9,F63,F7,F82 --show-source --statistics src/
-
     - name: Test with tox
       run: |
         python -m tox
@@ -42,16 +53,16 @@ jobs:
     runs-on: "ubuntu-latest"
 
     steps:
-    - uses: "actions/checkout@v2"
-    - uses: "actions/setup-python@v2"
+    - uses: "actions/checkout@v4"
+    - uses: "actions/setup-python@v4"
       with:
-        python-version: "3.8"
+        python-version: "3.10"
 
     - name: "Install build, check-wheel-content, and twine"
       run: |
         python -m pip install build twine check-wheel-contents
     - name: "Build package"
-      run: "python -m build --sdist --wheel ."
+      run: "python -m build"
     - name: "List result"
       run: "ls -l dist"
     - name: "Check wheel contents"
diff --git a/.gitignore b/.gitignore
index 2b8622f..9a3205b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,11 +1,14 @@
+.*
+!.bumpversion.cfg
+!.github
+!.gitignore
+!.pre-commit-config.yaml
 *.pyc
 *.pyo
 *.swp
 *.sqlite
 *.egg-info
 *~
-.coverage
-.tox
 htmlcov
 dist
 build
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 4adbf3b..f562b21 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,10 +1,21 @@
 Changelog
 =========
 
+Release 1.3.0
+-------------
+
+Adds support for Django 4.2 and 5.0.
+
+Add support for Python 3.10, 3.11 and 3.12.
+
+Drops support for Python older than 3.8.
+
+Switched from setup.cfg to pyproject.toml.
+
 Release 1.2.0
 -------------
 
-Adds support for Django 3.2
+Adds support for Django 3.2.
 
 Drops support for Django 2.2 or older, as well as Python 3.5 or older.
 
@@ -12,6 +23,8 @@ Shims to support Python 2.x and Django < 3.2 have been removed.
 
 Sundry modernizing of package building and testing.
 
+Last version to support Python 3.6 and 3.7.
+
 Release 1.1.0
 -------------
 
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..73de3c0
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,62 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "django-verification"
+description = "Generalized app for two-step verification"
+authors = [{name = "kaleissin", email = "kaleissin@gmail.com"}]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Environment :: Web Environment",
+    "Framework :: Django",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Topic :: Software Development :: Libraries :: Application Frameworks",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+    "Framework :: Django :: 3.2",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+]
+requires-python = ">=3.8"
+dependencies = ["Django>=3.2,<5.1"]
+dynamic = ["version"]
+readme = "README.rst"
+
+[project.urls]
+Homepage = "https://github.com/kaleissin/django-verification"
+
+[tool.hatch.build.targets.wheel]
+only-packages = true
+sources = ["src"]
+only-include = ["src/verification"]
+
+[tool.hatch.version]
+path = "src/verification/__init__.py"
+
+[tool.coverage.run]
+branch = true
+
+[tool.coverage.report]
+skip_empty = true
+exclude_lines = [
+    "pragma: no cover",
+    "def __repr__",
+    "if settings.DEBUG",
+    "assert False",
+    "raise AssertionError",
+    "raise NotImplemented",
+    "if 0:",
+    "if False:",
+    "if None:",
+    "if __name__ == .__main__.:",
+]
+
+[tool.flake8]
+exclude = ".*,__pycache__,docs,migrations,*.py?,static,templates,*.csv,*.json,build,dist"
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 2b6d14b..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,62 +0,0 @@
-[metadata]
-name = django-verification
-version = 1.2.0
-description = Generalized app for two-step verification
-long_description = file: README.rst
-long_description_content_type = text/x-rst
-url = https://github.com/kaleissin/django-verification
-author_email = kaleissin@gmail.com
-author = kaleissin
-classifiers =
-        Development Status :: 4 - Beta
-        Environment :: Web Environment
-        Framework :: Django
-        Intended Audience :: Developers
-        License :: OSI Approved :: MIT License
-        Operating System :: OS Independent
-        Programming Language :: Python
-        Topic :: Software Development :: Libraries :: Application Frameworks
-        Topic :: Software Development :: Libraries :: Python Modules
-        Framework :: Django :: 3.2
-        Programming Language :: Python :: 3
-        Programming Language :: Python :: 3.6
-        Programming Language :: Python :: 3.7
-        Programming Language :: Python :: 3.8
-        Programming Language :: Python :: 3.9
-
-[options]
-zip_safe = False
-include_package_data = True
-packages = verification
-package_dir =
-    = src/
-platforms = ['any'],
-install_requires = Django>=3.2,<4.0
-python_requires = >=3.6
-
-[options.package_data]
-* = *.rst
-
-[options.packages.find]
-exclude = tests
-where = ./src/
-
-[coverage:run]
-branch = True
-
-[coverage:report]
-skip_empty = True
-exclude_lines =
-    pragma: no cover
-    def __repr__
-    if settings.DEBUG
-    assert False
-    raise AssertionError
-    raise NotImplemented
-    if 0:
-    if False:
-    if None:
-    if __name__ == .__main__.:
-
-[flake8]
-exclude = .*,__pycache__,docs,migrations,*.py?,static,templates,*.csv,*.json,build,dist
diff --git a/setup.py b/setup.py
deleted file mode 100644
index dd4e63e..0000000
--- a/setup.py
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/usr/bin/env python
-
-from setuptools import setup
-
-
-setup()
diff --git a/src/verification/__init__.py b/src/verification/__init__.py
index 9c7d02b..c68196d 100644
--- a/src/verification/__init__.py
+++ b/src/verification/__init__.py
@@ -1 +1 @@
-default_app_config = 'verification.apps.VerificationConfig'
+__version__ = "1.2.0"
diff --git a/src/verification/signals.py b/src/verification/signals.py
index f235943..6476736 100644
--- a/src/verification/signals.py
+++ b/src/verification/signals.py
@@ -4,4 +4,5 @@
 
 __all__ = ['key_claimed']
 
-key_claimed = django.dispatch.Signal(providing_args=["claimant", "group"])
+# provides args "claimant", "group"
+key_claimed = django.dispatch.Signal()
diff --git a/tox.ini b/tox.ini
index 21cf76e..7b0da1c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,16 +1,24 @@
 [tox]
+isolated_build = true
 envlist =
-    py{36,37,38,39}-django{32}
+    py{38,39,310}-django{32}
+    py{38,39,310,311,312}-django{42}
+    py{310,311,312}-django{50}
 
 [gh-actions]
 python =
     3.8: py38
     3.9: py39
+    3.10: py310
+    3.11: py311
+    3.12: py312
 
 [testenv]
-setenv =
-    PYTHONPATH = {toxinidir}/src
+# setenv =
+#     PYTHONPATH = {toxinidir}/src
 commands =
     python runtests.py
 deps =
-    django32: django>=3.2,<4.0
+    django32: django>=3.2,<4
+    django42: django>=4.2,<5
+    django50: django>=5.0,<5.1