diff --git a/.editorconfig b/.editorconfig
index 88200b6..6e7851e 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,5 +1,5 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 # This file is for unifying the coding style for different editors and IDEs.
 # More information at http://EditorConfig.org
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9e2cf1e..4deb5b5 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,45 +12,53 @@ on:
     # week, Sundays at 6:00 UTC.
     - cron: "0 6 * * 0"
 
+permissions:
+  contents: read
+
+concurrency:
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
 
 defaults:
   run:
     shell: bash
 
+env:
+  PIP_DISABLE_PIP_VERSION_CHECK: 1
+  FORCE_COLOR: 1    # Get colored pytest output
+
 jobs:
   tests:
-    name: "Python ${{ matrix.python-version }} on ${{ matrix.os }}"
-    runs-on: "${{ matrix.os }}"
+    name: "${{ matrix.python-version }} on ${{ matrix.os }}"
+    runs-on: "${{ matrix.os }}-latest"
 
     strategy:
       matrix:
         os:
-          - ubuntu-latest
-          - macos-latest
-          - windows-latest
+          - ubuntu
+          - macos
+          - windows
         python-version:
           # When changing this list, be sure to check the [gh-actions] list in
           # tox.ini so that tox will run properly.
-          - "2.7"
-          - "3.6"
-          - "3.7"
-          - "3.8"
-          - "3.9"
           - "3.10"
-        exclude:
-          # Windows 2.7 doesn't work because Microsoft removed stuff we needed.
-          - os: windows-latest
-            python-version: "2.7"
+          - "3.11"
+          - "3.12"
+          - "3.13"
+          - "3.14"
       fail-fast: false
 
     steps:
       - name: "Check out the repo"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
+        with:
+          persist-credentials: false
 
       - name: "Set up Python"
-        uses: "actions/setup-python@v2"
+        uses: "actions/setup-python@v5"
         with:
           python-version: "${{ matrix.python-version }}"
+          allow-prereleases: true
 
       - name: "Install dependencies"
         run: |
@@ -79,12 +87,14 @@ jobs:
 
     steps:
       - name: "Check out the repo"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v4"
+        with:
+          persist-credentials: false
 
       - name: "Set up Python"
-        uses: "actions/setup-python@v2"
+        uses: "actions/setup-python@v5"
         with:
-          python-version: "3.8"
+          python-version: "3.10"
 
       - name: "Install dependencies"
         run: |
diff --git a/.isort.cfg b/.isort.cfg
index ed14f2e..cd31999 100644
--- a/.isort.cfg
+++ b/.isort.cfg
@@ -4,4 +4,4 @@ force_grid_wrap=0
 include_trailing_comma=True
 line_length=79
 multi_line_output=3
-known_third_party = coverage,django,setuptools,six,unittest_mixins
+known_third_party = coverage,django,setuptools,unittest_mixins
diff --git a/MANIFEST.in b/MANIFEST.in
index 74dd042..b220a56 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,15 +1,12 @@
 # Licensed under the Apache 2.0 License
 # - http://www.apache.org/licenses/LICENSE-2.0
-# - https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# - https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
-exclude .isort.cfg
-exclude howto.txt
-exclude Makefile
-exclude requirements.txt
-exclude tox.ini
-exclude .editorconfig
-include AUTHORS.txt
-include LICENSE.txt
-include NOTICE.txt
-include README.rst
-prune tests
+include *.txt
+include .editorconfig
+include .isort.cfg
+include Makefile
+include tox.ini
+
+recursive-include .github *
+recursive-include tests *.py
diff --git a/Makefile b/Makefile
index 2113b40..8d302f0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,10 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 # Makefile for django_coverage_plugin
 
+.PHONY: help test clean sterile dist pypi test_pypi tag ghrelease
+
 help:					## Show this help.
 	@echo "Available targets:"
 	@grep '^[a-zA-Z]' $(MAKEFILE_LIST) | sort | awk -F ':.*?## ' 'NF==2 {printf "  %-26s%s\n", $$1, $$2}'
@@ -24,14 +26,23 @@ clean:					## Remove non-source files.
 sterile: clean                          ## Remove all non-controlled content, even if expensive.
 	-rm -rf .tox*
 
-
-kit:					## Make the source distribution.
+dist:					## Make the source distribution.
 	python -m build
 	python -m twine check dist/*
 
-kit_upload:				## Upload the built distributions to PyPI.
+pypi:					## Upload the built distributions to PyPI.
 	python -m twine upload --verbose dist/*
 
-tag: ## Make a git tag with the version number
-	git tag -a -m "Version v$$(python setup.py --version)" v$$(python setup.py --version)
+test_pypi:				## Upload the distributions to test PyPI.
+	python -m twine upload --verbose --repository testpypi --password $$TWINE_TEST_PASSWORD dist/*
+
+_install_e:
+	python -m pip install -q -e .
+
+tag: _install_e				## Make a git tag with the version number.
+	@export VER="$$(python -c "import django_coverage_plugin as me; print(me.__version__)")" && \
+	git tag -s -m "Version v$$VER" v$$VER
 	git push --all
+
+ghrelease:				## Make a GitHub release for the latest version.
+	python -m scriv github-release
diff --git a/NOTICE.txt b/NOTICE.txt
index 69e5a4f..7803be8 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,4 +1,4 @@
-Copyright 2015-2022 Ned Batchelder.  All rights reserved.
+Copyright 2015-2025 Ned Batchelder.  All rights reserved.
 
 Except where noted otherwise, this software is licensed under the Apache
 License, Version 2.0 (the "License"); you may not use this work except in
diff --git a/README.rst b/README.rst
index caf761a..d6ef68f 100644
--- a/README.rst
+++ b/README.rst
@@ -1,6 +1,12 @@
-.. start-badges
+==================================
+Django Template Coverage.py Plugin
+==================================
+
+A `coverage.py`_ plugin to measure test coverage of Django templates.
 
-|status| |kit| |license| |versions| |djversions|
+| |status| |kit| |license|
+| |versions| |djversions|
+| |sponsor| |bluesky-nedbat| |mastodon-nedbat|
 
 .. |status| image:: https://img.shields.io/pypi/status/django_coverage_plugin.svg
     :target: https://pypi.python.org/pypi/django_coverage_plugin
@@ -14,27 +20,33 @@
 .. |versions| image:: https://img.shields.io/pypi/pyversions/django_coverage_plugin.svg
     :target: https://pypi.python.org/pypi/django_coverage_plugin
     :alt: Supported Python Versions
-.. |djversions| image:: https://img.shields.io/badge/Django-1.8%20%7C%201.11%20%7C%202.0%20%7C%202.1%20%7C%202.2%20%7C%203.0-44b78b.svg
+.. the Django badge says: `3.2 | 4.2 | 5.2`
+.. |djversions| image:: https://img.shields.io/badge/Django-3.2%20%7C%204.2%20%7C%205.2-44b78b.svg
     :target: https://pypi.python.org/pypi/django_coverage_plugin
     :alt: Supported Django Versions
+.. |sponsor| image:: https://img.shields.io/badge/%E2%9D%A4-Sponsor%20me-brightgreen?style=flat&logo=GitHub
+    :target: https://github.com/sponsors/nedbat
+    :alt: Sponsor me on GitHub
+.. |bluesky-nedbat| image:: https://img.shields.io/badge/dynamic/json?style=flat&color=96a3b0&labelColor=3686f7&logo=icloud&logoColor=white&label=@nedbat&url=https%3A%2F%2Fpublic.api.bsky.app%2Fxrpc%2Fapp.bsky.actor.getProfile%3Factor=nedbat.com&query=followersCount
+    :target: https://bsky.app/profile/nedbat.com
+    :alt: nedbat on Bluesky
+.. |mastodon-nedbat| image:: https://img.shields.io/badge/dynamic/json?style=flat&labelColor=450657&logo=mastodon&logoColor=ffffff&label=@nedbat&query=followers_count&url=https%3A%2F%2Fhachyderm.io%2Fapi%2Fv1%2Faccounts%2Flookup%3Facct=nedbat
+    :target: https://hachyderm.io/@nedbat
+    :alt: nedbat on Mastodon
 
-.. end-badges
 
-==================================
-Django Template Coverage.py Plugin
-==================================
 
-A `coverage.py`_ plugin to measure test coverage of Django templates.
+Supported on:
 
-Supported Python versions: 2.7, and 3.6 through 3.10.
+- Python: 3.10 through 3.14.
 
-Supported Django versions: 1.8, 1.11, 2.x, 3.x and 4.x.
+- Django: 3.2 through 5.2.
 
-Supported coverage.py versions: 4.x or higher.
+- Coverage.py: 6.x or higher.
 
-The plugin is pip installable::
+The plugin is pip-installable::
 
-    $ pip install django_coverage_plugin
+    $ python3 -m pip install django_coverage_plugin
 
 To run it, add this setting to your ``.coveragerc`` file::
 
@@ -44,8 +56,7 @@ To run it, add this setting to your ``.coveragerc`` file::
 Then run your tests under `coverage.py`_.
 
 You will see your templates listed in your coverage report along with
-your Python modules. Please use `coverage.py`_ v4.4 or greater to allow
-the plugin to identify untested templates.
+your Python modules.
 
 If you get a :code:`django.core.exceptions.ImproperlyConfigured` error,
 you need to set the :code:`DJANGO_SETTINGS_MODULE` environment variable.
@@ -123,17 +134,50 @@ Tests
 
 To run the tests::
 
-    $ pip install -r requirements.txt
+    $ python3 -m pip install -r requirements.txt
     $ tox
 
 
 History
 ~~~~~~~
 
+.. scriv-insert-here
+
+v3.2.0 — 2025-10-05
+-------------------
+
+Drop Python 3.9 and Django 2.2. Add Python 3.14.
+
+
+v3.1.1 — 2025-06-15
+-------------------
+
+Support changes: dropped Python 3.8, added Python 3.13.  Added Django 5.2.
+
+
+v3.1.0 — 2023-07-10
+-------------------
+
+Dropped support for Python 3.7 and Django 1.x.  Declared support for Python
+3.12.
+
+
+v3.0.0 — 2022-12-06
+-------------------
+
+Dropped support for Python 2.7, Python 3.6, and Django 1.8.
+
+
+v2.0.4 — 2022-10-31
+-------------------
+
+Declare our support for Python 3.11 and Django 4.1.
+
+
 v2.0.3 — 2022-05-04
 -------------------
 
-Add support for Django 4.0
+Add support for Django 4.0.
 
 
 v2.0.2 — 2021-11-11
@@ -147,7 +191,7 @@ ignore_errors=True`` (`issue 78`_).
 When using ``source=.``, an existing coverage HTML report directory would be
 found and believed to be unmeasured HTML template files.  This is now fixed.
 
-.. _issue 78: https://github.com/nedbat/django_coverage_plugin/issues/78
+.. _issue 78: https://github.com/coveragepy/django_coverage_plugin/issues/78
 
 
 v2.0.1 — 2021-10-06
@@ -170,9 +214,9 @@ case-sensitively, causing templates to be missed (`issue 46`_).
 Fix an issue (`issue 63`_) where tag libraries can't be found if imported
 during test collection. Thanks to Daniel Izquierdo for the fix.
 
-.. _issue 46: https://github.com/nedbat/django_coverage_plugin/issues/46
-.. _issue 60: https://github.com/nedbat/django_coverage_plugin/issues/60
-.. _issue 63: https://github.com/nedbat/django_coverage_plugin/issues/63
+.. _issue 46: https://github.com/coveragepy/django_coverage_plugin/issues/46
+.. _issue 60: https://github.com/coveragepy/django_coverage_plugin/issues/60
+.. _issue 63: https://github.com/coveragepy/django_coverage_plugin/issues/63
 
 v1.8.0 — 2020-01-23
 -------------------
@@ -222,6 +266,7 @@ v1.4.2 — 2017-02-06
 Fixes another instance of `issue 32`_, which was the result of an
 initialization order problem.
 
+.. _issue 32: https://github.com/coveragepy/django_coverage_plugin/issues/32
 
 
 v1.4.1 — 2017-01-25
@@ -230,9 +275,6 @@ v1.4.1 — 2017-01-25
 Fixes `issue 32`_, which was the result of an initialization order
 problem.
 
-.. _issue 32: https://github.com/nedbat/django_coverage_plugin/issues/32
-
-
 
 v1.4 — 2017-01-16
 -----------------
@@ -246,8 +288,8 @@ Only the ``django.template.backends.django.DjangoTemplates`` template
 engine is supported, and it must be configured with
 ``['OPTIONS']['debug'] = True``. Fixes `issue 27`_.
 
-.. _issue 28: https://github.com/nedbat/django_coverage_plugin/issues/28
-.. _issue 27: https://github.com/nedbat/django_coverage_plugin/issues/27
+.. _issue 28: https://github.com/coveragepy/django_coverage_plugin/issues/28
+.. _issue 27: https://github.com/coveragepy/django_coverage_plugin/issues/27
 
 
 
@@ -257,7 +299,7 @@ v1.3.1 — 2016-06-02
 Settings are read slightly differently, so as to not interfere with
 programs that don't need settings.  Fixes `issue 18`_.
 
-.. _issue 18: https://github.com/nedbat/django_coverage_plugin/issues/18
+.. _issue 18: https://github.com/coveragepy/django_coverage_plugin/issues/18
 
 
 
@@ -293,7 +335,7 @@ plugin, and fixes `issue 17`_.
 Potential Django 1.9 support is included, but the patch to Django hasn't
 been applied yet.
 
-.. _issue 17: https://github.com/nedbat/django_coverage_plugin/issues/17
+.. _issue 17: https://github.com/coveragepy/django_coverage_plugin/issues/17
 
 
 
diff --git a/django_coverage_plugin/__init__.py b/django_coverage_plugin/__init__.py
index bac9149..f346811 100644
--- a/django_coverage_plugin/__init__.py
+++ b/django_coverage_plugin/__init__.py
@@ -1,8 +1,10 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """Django Template Coverage Plugin"""
 
+__version__ = "3.2.0"
+
 from .plugin import DjangoTemplatePluginException  # noqa
 from .plugin import DjangoTemplatePlugin
 
diff --git a/django_coverage_plugin/plugin.py b/django_coverage_plugin/plugin.py
index 72b48e6..13e9c41 100644
--- a/django_coverage_plugin/plugin.py
+++ b/django_coverage_plugin/plugin.py
@@ -1,48 +1,18 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """The Django template coverage plugin."""
 
-from __future__ import print_function
-
 import os.path
 import re
 
-try:
-    from coverage.exceptions import NoSource
-except ImportError:
-    # for coverage 5.x
-    from coverage.misc import NoSource
 import coverage.plugin
 import django
 import django.template
-from django.template.base import Lexer, NodeList, Template, TextNode
+from coverage.exceptions import NoSource
+from django.template.base import Lexer, NodeList, Template, TextNode, TokenType
 from django.template.defaulttags import VerbatimNode
 from django.templatetags.i18n import BlockTranslateNode
-from six.moves import range
-
-try:
-    from django.template.base import TokenType
-
-    def _token_name(token_type):
-        token_type.name.capitalize()
-
-except ImportError:
-    # Django <2.1 uses separate constants for token types
-    from django.template.base import (
-        TOKEN_BLOCK,
-        TOKEN_MAPPING,
-        TOKEN_TEXT,
-        TOKEN_VAR,
-    )
-
-    class TokenType:
-        TEXT = TOKEN_TEXT
-        VAR = TOKEN_VAR
-        BLOCK = TOKEN_BLOCK
-
-    def _token_name(token_type):
-        return TOKEN_MAPPING[token_type]
 
 
 class DjangoTemplatePluginException(Exception):
@@ -99,39 +69,28 @@ def check_debug():
     return True
 
 
-if django.VERSION < (1, 8):
-    raise RuntimeError("Django Coverage Plugin requires Django 1.8 or higher")
+if django.VERSION < (3, 0):
+    raise RuntimeError("Django Coverage Plugin requires Django 3.x or higher")
 
 
-if django.VERSION >= (1, 9):
-    # Since we are grabbing at internal details, we have to adapt as they
-    # change over versions.
-    def filename_for_frame(frame):
-        try:
-            return frame.f_locals["self"].origin.name
-        except (KeyError, AttributeError):
-            return None
+# Since we are grabbing at internal details, we have to adapt as they
+# change over versions.
+def filename_for_frame(frame):
+    try:
+        return frame.f_locals["self"].origin.name
+    except (KeyError, AttributeError):
+        return None
 
-    def position_for_node(node):
-        try:
-            return node.token.position
-        except AttributeError:
-            return None
 
-    def position_for_token(token):
-        return token.position
-else:
-    def filename_for_frame(frame):
-        try:
-            return frame.f_locals["self"].source[0].name
-        except (KeyError, AttributeError, IndexError):
-            return None
+def position_for_node(node):
+    try:
+        return node.token.position
+    except AttributeError:
+        return None
 
-    def position_for_node(node):
-        return node.source[1]
 
-    def position_for_token(token):
-        return token.source[1]
+def position_for_token(token):
+    return token.position
 
 
 def read_template_source(filename):
@@ -143,14 +102,8 @@ def read_template_source(filename):
     if not settings.configured:
         settings.configure()
 
-    with open(filename, "rb") as f:
-        # The FILE_CHARSET setting will be removed in 3.1:
-        # https://docs.djangoproject.com/en/3.0/ref/settings/#file-charset
-        if django.VERSION >= (3, 1):
-            charset = 'utf-8'
-        else:
-            charset = settings.FILE_CHARSET
-        text = f.read().decode(charset)
+    with open(filename, "r", encoding="utf-8") as f:
+        text = f.read()
 
     return text
 
@@ -178,7 +131,7 @@ def sys_info(self):
         return [
             ("django_template_dir", self.django_template_dir),
             ("environment", sorted(
-                ("%s = %s" % (k, v))
+                ("{} = {}".format(k, v))
                 for k, v in os.environ.items()
                 if "DJANGO" in k
             )),
@@ -252,7 +205,7 @@ def line_number_range(self, frame):
             return -1, -1
 
         if SHOW_TRACING:
-            print("{!r}: {}".format(render_self, position))
+            print(f"{render_self!r}: {position}")
         s_start, s_end = position
         if isinstance(render_self, TextNode):
             first_line = render_self.s.splitlines(True)[0]
@@ -307,7 +260,7 @@ def get_line_map(self, filename):
 
 class FileReporter(coverage.plugin.FileReporter):
     def __init__(self, filename):
-        super(FileReporter, self).__init__(filename)
+        super().__init__(filename)
         # TODO: html filenames are absolute.
 
         self._source = None
@@ -316,20 +269,17 @@ def source(self):
         if self._source is None:
             try:
                 self._source = read_template_source(self.filename)
-            except (IOError, UnicodeError) as exc:
-                raise NoSource("Couldn't read {}: {}".format(self.filename, exc))
+            except (OSError, UnicodeError) as exc:
+                raise NoSource(f"Couldn't read {self.filename}: {exc}")
         return self._source
 
     def lines(self):
         source_lines = set()
 
         if SHOW_PARSING:
-            print("-------------- {}".format(self.filename))
+            print(f"-------------- {self.filename}")
 
-        if django.VERSION >= (1, 9):
-            lexer = Lexer(self.source())
-        else:
-            lexer = Lexer(self.source(), self.filename)
+        lexer = Lexer(self.source())
         tokens = lexer.tokenize()
 
         # Are we inside a comment?
@@ -343,7 +293,7 @@ def lines(self):
             if SHOW_PARSING:
                 print(
                     "%10s %2d: %r" % (
-                        _token_name(token.token_type),
+                        token.token_type.capitalize(),
                         token.lineno,
                         token.contents,
                     )
@@ -402,7 +352,7 @@ def lines(self):
                 source_lines.update(range(lineno, lineno+num_lines))
 
             if SHOW_PARSING:
-                print("\t\t\tNow source_lines is: {!r}".format(source_lines))
+                print(f"\t\t\tNow source_lines is: {source_lines!r}")
 
         return source_lines
 
diff --git a/howto.txt b/howto.txt
index 4481256..f0f4bd7 100644
--- a/howto.txt
+++ b/howto.txt
@@ -1,7 +1,7 @@
 * Release checklist
 
-- Version number in setup.py
-- Classifiers in setup.py
+- Version number in __init__.py
+- Classifiers in pyproject.toml
     https://pypi.python.org/pypi?%3Aaction=list_classifiers
     eg:
       Development Status :: 3 - Alpha
@@ -9,7 +9,8 @@
 - Copyright date in NOTICE.txt
 - Update README.rst with latest changes
 - Kits:
-    $ make clean kit
-    $ make kit_upload
+    $ make clean dist
+    $ make test_pypi
+    $ make pypi
     $ make tag
-- make a new gh release: https://github.com/nedbat/django_coverage_plugin/releases/new
+    $ make ghrelease
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..0c7292f
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,65 @@
+# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
+
+[build-system]
+requires = ["setuptools>=77.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "django_coverage_plugin"
+description = "Django template coverage.py plugin"
+readme = "README.rst"
+authors = [
+    {name = "Ned Batchelder", email = "ned@nedbatchelder.com"},
+]
+license = "Apache-2.0"
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Console",
+    "Framework :: Django",
+    "Framework :: Django :: 3.2",
+    "Framework :: Django :: 4.2",
+    "Framework :: Django :: 5.2",
+    "Intended Audience :: Developers",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
+    "Topic :: Software Development :: Quality Assurance",
+    "Topic :: Software Development :: Testing",
+]
+requires-python = ">= 3.10"
+dependencies = [
+    "coverage",
+    "Django",
+]
+dynamic = ["version"]
+
+[project.urls]
+"Homepage" = "https://github.com/coveragepy/django_coverage_plugin"
+"Bug Tracker" = "https://github.com/coveragepy/django_coverage_plugin/issues"
+"Source" = "https://github.com/coveragepy/django_coverage_plugin"
+
+[tool.setuptools.dynamic]
+version = {attr = "django_coverage_plugin.__version__"}
+
+[tool.setuptools.packages.find]
+include = ["django_coverage_plugin*"]
+
+[tool.pytest.ini_options]
+# How come these warnings are suppressed successfully here, but not in conftest.py??
+filterwarnings = [
+    # ignore all DeprecationWarnings...
+    "ignore::DeprecationWarning",
+    # ...but show them if they are from our code.
+    "default::DeprecationWarning:django_coverage_plugin",
+]
+
+[tool.scriv]
+fragment_directory = "scriv.d"
+output_file = "README.rst"
+rst_header_chars = "-."
diff --git a/requirements.txt b/requirements.txt
index 43e1737..fe664e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,7 @@
-# To run tests, we just need tox.
-tox >= 1.8
+# To run tests, we just need tox:
+tox
+
+# For releases:
 build
+scriv
 twine
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 679b318..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,10 +0,0 @@
-# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
-
-[tool:pytest]
-# How come these warnings are suppressed successfully here, but not in conftest.py??
-filterwarnings =
-    # ignore all DeprecationWarnings...
-    ignore::DeprecationWarning
-    # ...but show them if they are from our code.
-    default::DeprecationWarning:django_coverage_plugin
diff --git a/setup.py b/setup.py
deleted file mode 100644
index d5fb17b..0000000
--- a/setup.py
+++ /dev/null
@@ -1,75 +0,0 @@
-#!/usr/bin/env python
-# -*- encoding: utf-8 -*-
-"""Setup for Django Coverage Plugin
-
-Licensed under the Apache 2.0 License
-- http://www.apache.org/licenses/LICENSE-2.0
-- https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
-
-"""
-from __future__ import absolute_import, print_function
-
-import io
-import re
-from os.path import dirname, join
-
-from setuptools import setup
-
-
-def read(*names, **kwargs):
-    """Read and return contents of file
-
-    Parameter: encoding kwarg may be set
-    """
-    return io.open(
-        join(dirname(__file__), *names),
-        encoding=kwargs.get('encoding', 'utf8')
-    ).read()
-
-
-classifiers = """\
-Environment :: Console
-Intended Audience :: Developers
-License :: OSI Approved :: Apache Software License
-Operating System :: OS Independent
-Programming Language :: Python :: 2.7
-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 :: Implementation :: CPython
-Programming Language :: Python :: Implementation :: PyPy
-Topic :: Software Development :: Quality Assurance
-Topic :: Software Development :: Testing
-Development Status :: 5 - Production/Stable
-Framework :: Django
-Framework :: Django :: 1.8
-Framework :: Django :: 1.11
-Framework :: Django :: 2.2
-Framework :: Django :: 3.2
-Framework :: Django :: 4.0
-"""
-
-setup(
-    name='django_coverage_plugin',
-    version='2.0.3',
-    description='Django template coverage.py plugin',
-    long_description=(
-        re.compile(
-            '^.. start-badges.*^.. end-badges',
-            re.M | re.S,
-        ).sub('', read('README.rst'))
-    ),
-    long_description_content_type='text/x-rst',
-    author='Ned Batchelder',
-    author_email='ned@nedbatchelder.com',
-    url='https://github.com/nedbat/django_coverage_plugin',
-    packages=['django_coverage_plugin'],
-    install_requires=[
-        'coverage',
-        'six >= 1.4.0',
-    ],
-    license='Apache 2.0',
-    classifiers=classifiers.splitlines(),
-)
diff --git a/tests/__init__.py b/tests/__init__.py
index 2d2b590..d4318d5 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,5 +1,5 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """The tests for the Django Coverage Plugin."""
 
diff --git a/tests/banner.py b/tests/banner.py
index 2febc6e..8200b15 100644
--- a/tests/banner.py
+++ b/tests/banner.py
@@ -1,18 +1,18 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """For printing the versions from tox.ini."""
 
-from __future__ import print_function
-
 import platform
 
+import coverage
 import django
 
 print(
-    "{} {}; Django {}".format(
+    "{} {}; Django {}; Coverage {}".format(
         platform.python_implementation(),
         platform.python_version(),
-        django.get_version()
+        django.get_version(),
+        coverage.__version__,
     )
 )
diff --git a/tests/conftest.py b/tests/conftest.py
index 0852e87..5c8f6d7 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,5 +1,5 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """
 Pytest auto configuration.
diff --git a/tests/plugin_test.py b/tests/plugin_test.py
index 1798971..f103454 100644
--- a/tests/plugin_test.py
+++ b/tests/plugin_test.py
@@ -1,5 +1,5 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """Base classes and helpers for testing the plugin."""
 
@@ -21,7 +21,7 @@
 from django_coverage_plugin.plugin import DjangoTemplatePlugin
 
 
-def test_settings():
+def get_test_settings():
     """Create a dict full of default Django settings for the tests."""
     the_settings = {
         'CACHES': {
@@ -53,14 +53,10 @@ def test_settings():
         ],
     })
 
-    if django.VERSION < (1, 10):
-        # for {% ssi %}
-        the_settings['TEMPLATES'][0]['OPTIONS']['allowed_include_roots'] = [""]
-
     return the_settings
 
 
-settings.configure(**test_settings())
+settings.configure(**get_test_settings())
 
 if hasattr(django, "setup"):
     django.setup()
@@ -70,11 +66,11 @@ class DjangoPluginTestCase(StdStreamCapturingMixin, TempDirMixin, TestCase):
     """A base class for all our tests."""
 
     def setUp(self):
-        super(DjangoPluginTestCase, self).setUp()
+        super().setUp()
         self.template_directory = "templates"
 
     def _path(self, name=None):
-        return "{}/{}".format(self.template_directory, name or self.template_file)
+        return f"{self.template_directory}/{name or self.template_file}"
 
     def make_template(self, text, name=None):
         """Make a template with `text`.
@@ -195,14 +191,14 @@ def assert_analysis(self, executable, missing=None, name=None):
         self.assertEqual(
             executable,
             actual_executable,
-            "Executable lines aren't as expected: %r != %r" % (
+            "Executable lines aren't as expected: {!r} != {!r}".format(
                 executable, actual_executable,
             ),
         )
         self.assertEqual(
             missing or [],
             actual_missing,
-            "Missing lines aren't as expected: %r != %r" % (
+            "Missing lines aren't as expected: {!r} != {!r}".format(
                 missing, actual_missing,
             ),
         )
@@ -230,31 +226,52 @@ def get_xml_report(self, name=None):
         return xml_coverage
 
     @contextlib.contextmanager
-    def assert_plugin_disabled(self, msg):
-        """Assert that our plugin was disabled during an operation."""
-        # self.run_django_coverage will raise PluginDisabled if the plugin
-        # was disabled.
+    def assert_coverage_warnings(self, *msgs, min_cov=None):
+        """Assert that coverage.py warnings are raised that contain all msgs.
+
+        If coverage version isn't at least min_cov, then no warnings are expected.
+
+        """
         # Coverage.py 6.0 made the warnings real warnings, so we have to adapt
         # how we test the warnings based on the version.
-        if coverage.version.version_info >= (6, 0):
+        if min_cov is not None and coverage.version_info < min_cov:
+            # Don't check for warnings on lower versions of coverage
+            yield
+            return
+        elif coverage.version_info >= (6, 0):
             import coverage.exceptions as cov_exc
             ctxmgr = self.assertWarns(cov_exc.CoverageWarning)
         else:
-            ctxmgr = nullcontext()
+            ctxmgr = contextlib.nullcontext()
         with ctxmgr as cw:
-            with self.assertRaises(PluginDisabled):
-                yield
+            yield
 
         if cw is not None:
             warn_text = "\n".join(str(w.message) for w in cw.warnings)
         else:
             warn_text = self.stderr()
-        self.assertIn(
-            "Disabling plug-in 'django_coverage_plugin.DjangoTemplatePlugin' "
-            "due to an exception:",
-            warn_text
-        )
-        self.assertIn("DjangoTemplatePluginException: " + msg, warn_text)
+        for msg in msgs:
+            self.assertIn(msg, warn_text)
+
+    @contextlib.contextmanager
+    def assert_plugin_disabled(self, msg):
+        """Assert that our plugin was disabled during an operation."""
+        # self.run_django_coverage will raise PluginDisabled if the plugin
+        # was disabled.
+        msgs = [
+            "Disabling plug-in 'django_coverage_plugin.DjangoTemplatePlugin' due to an exception:",
+            "DjangoTemplatePluginException: " + msg,
+        ]
+        with self.assert_coverage_warnings(*msgs):
+            with self.assertRaises(PluginDisabled):
+                yield
+
+    @contextlib.contextmanager
+    def assert_no_data(self, min_cov=None):
+        """Assert that coverage warns no data was collected."""
+        warn_msg = "No data was collected. (no-data-collected)"
+        with self.assert_coverage_warnings(warn_msg, min_cov=min_cov):
+            yield
 
 
 def squashed(s):
@@ -293,9 +310,3 @@ def test_thing(self):
 class PluginDisabled(Exception):
     """Raised if we find that our plugin has been disabled."""
     pass
-
-
-@contextlib.contextmanager
-def nullcontext():
-    """For when we need a context manager to do nothing."""
-    yield None
diff --git a/tests/test_engines.py b/tests/test_engines.py
index 76c713f..3bdbe32 100644
--- a/tests/test_engines.py
+++ b/tests/test_engines.py
@@ -1,5 +1,5 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """Tests of multiple engines for django_coverage_plugin."""
 
@@ -10,7 +10,7 @@
 
 class MultipleEngineTests(DjangoPluginTestCase):
     def setUp(self):
-        super(MultipleEngineTests, self).setUp()
+        super().setUp()
 
         engine = {
             'NAME': 'other',
@@ -33,7 +33,8 @@ def test_file_template(self):
         self.assert_analysis([1])
 
     def test_string_template(self):
-        text = self.run_django_coverage(text='Hello', using='other')
+        with self.assert_no_data():
+            text = self.run_django_coverage(text='Hello', using='other')
         self.assertEqual(text, 'Hello')
 
     def test_third_engine_not_debug(self):
diff --git a/tests/test_extends.py b/tests/test_extends.py
index a4922db..3f7a987 100644
--- a/tests/test_extends.py
+++ b/tests/test_extends.py
@@ -1,9 +1,9 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """Tests of template inheritance for django_coverage_plugin."""
 
-from .plugin_test import DjangoPluginTestCase, django_stop_before
+from .plugin_test import DjangoPluginTestCase
 
 
 class BlockTest(DjangoPluginTestCase):
@@ -146,43 +146,3 @@ def test_include(self):
         self.assertEqual(text, "First\nInside\nJob\n\nLast\n")
         self.assert_analysis([1, 2, 3], name="outer.html")
         self.assert_analysis([1, 2], name="nested.html")
-
-
-# {% ssi %} is in earlier Djangos than 1.9, but doesn't trace properly.
-@django_stop_before(1, 10)
-class SsiTest(DjangoPluginTestCase):
-    """Test {% ssi %}, which does not trace the included file."""
-
-    def test_ssi_unparsed(self):
-        nested = self.make_template(name="nested.html", text="""\
-            Inside {{ a }}
-            Job
-            """)
-
-        self.make_template(name="outer.html", text="""\
-            First
-            {% ssi "NESTED" %}
-            Last
-            """.replace("NESTED", nested))
-
-        text = self.run_django_coverage(name="outer.html", context={'a': 17})
-        self.assertEqual(text, "First\nInside {{ a }}\nJob\n\nLast\n")
-        self.assert_analysis([1, 2, 3], name="outer.html")
-        self.assert_measured_files("outer.html", "nested.html")
-
-    def test_ssi_parsed(self):
-        nested = self.make_template(name="nested.html", text="""\
-            Inside {{ a }}
-            Job
-            """)
-
-        self.make_template(name="outer.html", text="""\
-            First
-            {% ssi "NESTED" parsed %}
-            Last
-            """.replace("NESTED", nested))
-
-        text = self.run_django_coverage(name="outer.html", context={'a': 17})
-        self.assertEqual(text, "First\nInside 17\nJob\n\nLast\n")
-        self.assert_analysis([1, 2, 3], name="outer.html")
-        self.assert_measured_files("outer.html", "nested.html")
diff --git a/tests/test_flow.py b/tests/test_flow.py
index 2a00709..db83fa8 100644
--- a/tests/test_flow.py
+++ b/tests/test_flow.py
@@ -1,5 +1,5 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """Tests of control-flow structures for django_coverage_plugin."""
 
diff --git a/tests/test_helpers.py b/tests/test_helpers.py
index d0e919c..467d879 100644
--- a/tests/test_helpers.py
+++ b/tests/test_helpers.py
@@ -1,5 +1,5 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """Test helpers for the django coverage plugin."""
 
diff --git a/tests/test_html.py b/tests/test_html.py
index c22ac00..b71537b 100644
--- a/tests/test_html.py
+++ b/tests/test_html.py
@@ -1,6 +1,5 @@
-# coding: utf8
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """Tests of HTML reporting for django_coverage_plugin."""
 
diff --git a/tests/test_i18n.py b/tests/test_i18n.py
index e68b920..40affec 100644
--- a/tests/test_i18n.py
+++ b/tests/test_i18n.py
@@ -1,5 +1,5 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """Tests of i18n tags for django_coverage_plugin."""
 
diff --git a/tests/test_settings.py b/tests/test_settings.py
index c3ef4d5..5314051 100644
--- a/tests/test_settings.py
+++ b/tests/test_settings.py
@@ -1,22 +1,22 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """Settings tests for django_coverage_plugin."""
 
 from django.test.utils import override_settings
 
-from .plugin_test import DjangoPluginTestCase, test_settings
+from .plugin_test import DjangoPluginTestCase, get_test_settings
 
 # Make settings overrides for tests below.
 NON_DJANGO_BACKEND = 'django.template.backends.dummy.TemplateStrings'
 
-DEBUG_FALSE_OVERRIDES = test_settings()
+DEBUG_FALSE_OVERRIDES = get_test_settings()
 DEBUG_FALSE_OVERRIDES['TEMPLATES'][0]['OPTIONS']['debug'] = False
 
-NO_OPTIONS_OVERRIDES = test_settings()
+NO_OPTIONS_OVERRIDES = get_test_settings()
 del NO_OPTIONS_OVERRIDES['TEMPLATES'][0]['OPTIONS']
 
-OTHER_ENGINE_OVERRIDES = test_settings()
+OTHER_ENGINE_OVERRIDES = get_test_settings()
 OTHER_ENGINE_OVERRIDES['TEMPLATES'][0]['BACKEND'] = NON_DJANGO_BACKEND
 OTHER_ENGINE_OVERRIDES['TEMPLATES'][0]['OPTIONS'] = {}
 
diff --git a/tests/test_simple.py b/tests/test_simple.py
index 7ca9188..c4e326d 100644
--- a/tests/test_simple.py
+++ b/tests/test_simple.py
@@ -1,13 +1,12 @@
-# coding: utf8
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """Simple tests for django_coverage_plugin."""
 
 from .plugin_test import DjangoPluginTestCase
 
 # 200 Unicode chars: snowman + poo.
-UNIUNI = u"\u26C4\U0001F4A9"*100
+UNIUNI = "\u26C4\U0001F4A9"*100
 if isinstance(UNIUNI, str):
     UNISTR = UNIUNI
 else:
@@ -64,8 +63,8 @@ def test_non_ascii(self):
             υηιcσɗє ιѕ тяιcку
             {{more}}!
             """)
-        text = self.run_django_coverage(context={'more': u'ɘboɔinU'})
-        self.assertEqual(text, u'υηιcσɗє ιѕ тяιcку\nɘboɔinU!\n')
+        text = self.run_django_coverage(context={'more': 'ɘboɔinU'})
+        self.assertEqual(text, 'υηιcσɗє ιѕ тяιcку\nɘboɔinU!\n')
         self.assert_analysis([1, 2])
         self.assertEqual(self.get_html_report(), 100)
         self.assertEqual(self.get_xml_report(), 100)
@@ -215,8 +214,8 @@ def test_verbatim(self):
         text = self.run_django_coverage()
         self.assertEqual(
             text,
-            u"1\n\n{{if dying}}Alive.{{/if}}\nsecond.\n"
-            u"{%third%}.UNIUNI\n\n7\n".replace(u"UNIUNI", UNIUNI)
+            "1\n\n{{if dying}}Alive.{{/if}}\nsecond.\n"
+            "{%third%}.UNIUNI\n\n7\n".replace("UNIUNI", UNIUNI)
         )
         self.assert_analysis([1, 2, 3, 4, 5, 7])
 
@@ -245,11 +244,14 @@ class StringTemplateTest(DjangoPluginTestCase):
     run_in_temp_dir = False
 
     def test_string_template(self):
-        text = self.run_django_coverage(
-            text="Hello, {{name}}!",
-            context={'name': 'World'},
-            options={},
-            )
+        # I don't understand why coverage 6 warns about no data,
+        # but coverage 5 does not.
+        with self.assert_no_data(min_cov=(6, 0)):
+            text = self.run_django_coverage(
+                text="Hello, {{name}}!",
+                context={'name': 'World'},
+                options={},
+                )
         self.assertEqual(text, "Hello, World!")
 
 
diff --git a/tests/test_source.py b/tests/test_source.py
index 80b53d4..e44c7ea 100644
--- a/tests/test_source.py
+++ b/tests/test_source.py
@@ -1,5 +1,5 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 """Tests of template inheritance for django_coverage_plugin."""
 
@@ -88,9 +88,9 @@ def test_non_utf8_error(self):
         text = self.run_django_coverage(name="main.html")
         self.assertEqual(text, "Hello")
 
-        self.assert_measured_files("main.html", "static{}changelog.txt".format(os.sep))
+        self.assert_measured_files("main.html", f"static{os.sep}changelog.txt")
         self.assert_analysis([1], name="main.html")
-        with self.assertRaisesRegexp(NoSource, r"changelog.txt.*invalid start byte"):
+        with self.assertRaisesRegex(NoSource, r"changelog.txt.*invalid start byte"):
             self.cov.html_report()
 
     def test_non_utf8_omitted(self):
@@ -110,7 +110,7 @@ def test_non_utf8_omitted(self):
         text = self.run_django_coverage(name="main.html")
         self.assertEqual(text, "Hello")
 
-        self.assert_measured_files("main.html", "static{}changelog.txt".format(os.sep))
+        self.assert_measured_files("main.html", f"static{os.sep}changelog.txt")
         self.assert_analysis([1], name="main.html")
         self.cov.html_report()
 
@@ -131,9 +131,14 @@ def test_non_utf8_ignored(self):
         text = self.run_django_coverage(name="main.html")
         self.assertEqual(text, "Hello")
 
-        self.assert_measured_files("main.html", "static{}changelog.txt".format(os.sep))
+        self.assert_measured_files("main.html", f"static{os.sep}changelog.txt")
         self.assert_analysis([1], name="main.html")
-        self.cov.html_report()
+        warn_msg = (
+            "'utf-8' codec can't decode byte 0xf6 in position 2: " +
+            "invalid start byte (couldnt-parse)"
+        )
+        with self.assert_coverage_warnings(warn_msg, min_cov=(6, 0)):
+            self.cov.html_report()
 
     def test_htmlcov_isnt_measured(self):
         # We used to find the HTML report and think it was template files.
diff --git a/tox.ini b/tox.ini
index 50f9df3..1aae1d5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://github.com/nedbat/django_coverage_plugin/blob/master/NOTICE.txt
+# For details: https://github.com/coveragepy/django_coverage_plugin/blob/main/NOTICE.txt
 
 # tox configuration for django_coverage_plugin.
 #
@@ -13,25 +13,26 @@
 #
 
 [tox]
+# When changing this, also update the classifiers in setup.py:
 envlist =
-    py27-django{18,111},
-    py36-django{18,111,22,32},
-    py37-django{22,32},
-    py38-django{22,32,40,tip},
-    py39-django{22,32,40,tip},
-    py310-django{32,40,tip},
+    py310-django{32,42,52}-cov{6,7,tip},
+    py311-django{42,52}-cov{6,7,tip},
+    py312-django{52,tip}-cov{7,tip},
+    py313-django{52,tip}-cov{7,tip},
+    py314-django{52,tip}-cov{7,tip},
     check,pkgcheck,doc
 
 [testenv]
 deps =
+    cov6: coverage>=6.0,<7.0
+    cov7: coverage>=7.0,<8.0
+    covtip: git+https://github.com/nedbat/coveragepy.git
+    django32: Django>=3.2,<4.0
+    django42: Django>=4.2,<5.0
+    django52: Django>=5.2,<6.0
+    djangotip: git+https://github.com/django/django.git
     pytest
     unittest-mixins==1.6
-    django18: Django>=1.8,<1.9
-    django111: Django>=1.11,<2.0
-    django22: Django>=2.2,<3.0
-    django32: Django>=3.2,<4.0
-    django40: Django>=4.0,<4.1
-    djangotip: https://github.com/django/django/archive/main.tar.gz
 
 commands =
     python -c "import tests.banner"
@@ -41,14 +42,19 @@ usedevelop = True
 
 passenv = *
 
+setenv =
+    # In later versions of Python, the default coverage.py core is sysmon,
+    # which doesn't support plugins like us.  Force ctrace instead.
+    py3{12,13,14}: COVERAGE_CORE=ctrace
+
 [testenv:check]
 deps =
     flake8
     isort
 
 commands =
-    flake8 --max-line-length=100 setup.py django_coverage_plugin tests setup.py
-    isort --check-only --diff django_coverage_plugin tests setup.py
+    flake8 --max-line-length=100 django_coverage_plugin tests
+    isort --check-only --diff django_coverage_plugin tests
 
 [testenv:pkgcheck]
 skip_install = true
@@ -69,13 +75,12 @@ deps =
     sphinx
 
 commands =
-    rst2html.py --strict README.rst /tmp/django_coverage_plugin_README.html
+    rst2html --strict README.rst /tmp/django_coverage_plugin_README.html
 
 [gh-actions]
 python =
-    2.7: py27
-    3.6: py36
-    3.7: py37
-    3.8: py38
-    3.9: py39
     3.10: py310
+    3.11: py311
+    3.12: py312
+    3.13: py313
+    3.14: py314