diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 14d02cca..53422fbf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,68 +6,89 @@ concurrency:
   group: test-${{ github.head_ref }}
   cancel-in-progress: true
 
-env:
-  PYTHONUNBUFFERED: "1"
-  FORCE_COLOR: "1"
-
 jobs:
-
-  static_tests:
-    name: Static Tests
+  ruff:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: "3.11"
-      - name: Install latest pip and Hatch
-        run: pip install --upgrade pip hatch
-      - name: Lint
-        run: hatch run lint:all
-      - name: Docs
-        run: hatch run docs:build
-      - name: Build
-        run: hatch build
+      - uses: chartboost/ruff-action@v1
 
   tests_matrix:
-    name: Python ${{ matrix.python-version }}
     runs-on: ubuntu-latest
     strategy:
-      fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: [3.8, 3.9, "3.10", 3.11, 3.12]
+        django-version: [3.2, 4.1, 4.2, 5.0, "main"]
+        exclude:
+            # Django 3.2
+            - python-version: "3.10"
+              django-version: 3.2
+            - python-version: 3.11
+              django-version: 3.2
+            - python-version: 3.12
+              django-version: 3.2
 
-    steps:
-    - uses: actions/checkout@v4
-
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
-      with:
-        python-version: ${{ matrix.python-version }}
+            # Django 4.1
+            - python-version: 3.12
+              django-version: 4.1
 
-    - name: Install latest pip, Hatch and coveralls
-      run: pip install --upgrade pip hatch coveralls
+            # Django 4.2
+            - python-version: 3.12
+              django-version: 4.2
 
-    - name: Install GDAL binaries
-      run: sudo apt-get install binutils libproj-dev gdal-bin
+            # Django 5.0
+            - python-version: 3.8
+              django-version: 5.0
+            - python-version: 3.9
+              django-version: 5.0
 
-    - name: Run tests
-      run: hatch run test-cov
+            # Django main
+            - python-version: 3.8
+              django-version: "main"
+            - python-version: 3.9
+              django-version: "main"
 
-    - name: Coverage combine
-      run: coverage combine
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+          cache-dependency-path: requirements-test.txt
+      - run: python -m pip install -r requirements-test.txt
+      - run: python -m pip install -U Django==${{ matrix.django-version }}
+        if: matrix.django-version != 'main'
+      - run: python -m pip install -U https://github.com/django/django/archive/master.tar.gz
+        if: matrix.django-version == 'main'
+      - run: python -m pip install -e .
+      - run: coverage run manage.py test
+      - run: python -m pip install -U coveralls
+      - name: Upload coveralls (parallel)
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          COVERALLS_PARALLEL: true
+        run: coveralls --service=github
 
-    - name: Upload coveralls (parallel)
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        COVERALLS_PARALLEL: true
-      run: coveralls --service=github
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+            python-version: "3.11"
+            cache: 'pip'
+            cache-dependency-path: docs/requirements.txt
+      - name: Install and build
+        run: |
+          python -m pip install -r docs/requirements.txt
+          python -m pip install -e .
+          make docs
 
   tests:
     if: always()
     runs-on: ubuntu-latest
-    needs: [ static_tests, tests_matrix ]
+    needs: [ tests_matrix, ruff, docs ]
     steps:
       - name: Check tests matrix status
         if: needs.tests_matrix.result != 'success'
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 636b846f..b9870409 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -5,6 +5,8 @@ build:
   tools:
     python: "3.11"
   commands:
-    - pip install -U pip hatch
-    - hatch run docs:build
+    - pip install -U pip
+    - pip install -U -r docs/requirements.txt
+    - pip install -e .
+    - make docs
     - mv docs/_build $READTHEDOCS_OUTPUT
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8223fbd7..dcc644ac 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -45,8 +45,6 @@ Ready to contribute? Here\'s how to set up `django-bootstrap4` for local develop
 
 You will need some knowledge of git, github, and Python/Django development. Using a Python virtual environment is advised.
 
-This project uses [Hatch](https://github.com/pypa/hatch) for environments and builds.
-
 ### Local installation
 
 This section assumes you know about local Python versions and virtual environments.
@@ -56,7 +54,7 @@ To clone the repository and install the requirements for local development:
 ```console
 git clone git://github.com/zostera/django-bootstrap4.git
 cd django-bootstrap4
-pip install -U pip hatch
+pip install -U pip -r requirements-dev.txt
 pip install -e .
 ```
 
diff --git a/Makefile b/Makefile
index 449eb848..27d4e898 100644
--- a/Makefile
+++ b/Makefile
@@ -1,35 +1,37 @@
-VERSION := $(shell hatch version)
+VERSION := $(shell python -c "import bootstrap4;print(bootstrap4.__version__)")
 
 .PHONY: test
 test:
-	hatch run test
+	coverage run manage.py test
+	coverage report
 
 .PHONY: tests
 tests:
-	hatch run all:test
+	tox
 
 .PHONY: reformat
 reformat:
-	hatch run lint:fmt
+	ruff --fix .
+	ruff format .
 
 .PHONY: lint
 lint:
-	hatch run lint:style
+	ruff .
 
 .PHONY: docs
-docs:
-	hatch run docs:build
+docs: clean
+	cd docs && sphinx-build -b html -d _build/doctrees . _build/html
 
 .PHONY: example
 example:
-	hatch run example:runserver
+	cd example && python manage.py runserver
 
 .PHONY: porcelain
 porcelain:
 ifeq ($(shell git status --porcelain),)
 	@echo "Working directory is clean."
 else
-	@echo "Error - working directory is dirty. Commit those changes!";
+	@echo "Error - working directory is dirty. Commit your changes.";
 	@exit 1;
 endif
 
@@ -38,17 +40,25 @@ branch:
 ifeq ($(shell git rev-parse --abbrev-ref HEAD),main)
 	@echo "On branch main."
 else
-	@echo "Error - Not on branch main!"
+	@echo "Error - Not on branch main."
 	@exit 1;
 endif
 
 .PHONY: build
 build: docs
-	rm -rf build dist src/*.egg-info
-	hatch build
+	python -m build
 
 .PHONY: publish
 publish: porcelain branch build
-	hatch publish
+	twine check dist/*
+	twine upload dist/*
 	git tag -a v${VERSION} -m "Release ${VERSION}"
 	git push origin --tags
+
+.PHONY: clean
+clean: docs
+	rm -rf build dist src/*.egg-info .coverage*
+
+.PHONY: version
+version:
+	@echo ${VERSION}
diff --git a/docs/conf.py b/docs/conf.py
index 00b46e05..859f96f2 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -3,18 +3,12 @@
 
 import tomllib
 
+module = importlib.import_module("bootstrap4")
+
 with open("../pyproject.toml", "rb") as f:
     pyproject = tomllib.load(f)
 
 project = pyproject["project"]["name"]
-conf = {"module": project.replace("-", "_")}
-
-try:
-    conf.update(pyproject["tool"]["sphinx"]["x-conf"])
-except KeyError:
-    pass
-
-module = importlib.import_module(conf["module"])
 release = module.__version__
 version = ".".join(release.split(".")[:2])
 author = ", ".join(author["name"] for author in pyproject["project"]["authors"])
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 00000000..cb2e9af4
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,3 @@
+sphinx>=7.2.6
+sphinx-mdinclude>=0.5.3
+furo>=2023.05.20
diff --git a/pyproject.toml b/pyproject.toml
index 0d1a74f1..1632ea83 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [build-system]
-build-backend = "hatchling.build"
-requires = ["hatchling"]
+build-backend = "setuptools.build_meta"
+requires = ["setuptools"]
 
 [project]
 authors = [
@@ -21,6 +21,7 @@ classifiers = [
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
   "Topic :: Software Development :: Libraries",
   "Topic :: Utilities",
 ]
@@ -28,14 +29,12 @@ dependencies = [
   "Django>=3.2",
   "beautifulsoup4>=4.8.0",
 ]
-description = "Bootstrap 4 for Django"
-dynamic = [
-  "version",
-]
-license = "BSD-3-Clause"
+description = "Django extensions by Zostera"
+license = {file = "LICENSE"}
 name = "django-bootstrap4"
 readme = "README.md"
 requires-python = ">=3.8"
+version = "23.6"
 
 [project.urls]
 Changelog = "https://github.com/zostera/django-bootstrap4/blob/main/CHANGELOG.md"
@@ -44,102 +43,6 @@ Homepage = "https://github.com/zostera/django-bootstrap4"
 Issues = "https://github.com/zostera/django-bootstrap4/issues"
 Source = "https://github.com/zostera/django-bootstrap4"
 
-[tool.hatch.version]
-path = "src/bootstrap4/__about__.py"
-
-[tool.hatch.build.targets.sdist]
-include = [
-  "/src",
-]
-
-[tool.hatch.build.targets.wheel]
-packages = ["src/bootstrap4"]
-
-[tool.hatch.envs.default]
-dependencies = [
-  "coverage[toml]>=7.2.6",
-]
-matrix-name-format = "dj{value}"
-
-[tool.hatch.envs.default.scripts]
-cov = [
-  "test-cov",
-  "cov-report",
-]
-cov-report = [
-  "- coverage combine",
-  "coverage report",
-]
-test = "python manage.py test {args:tests}"
-test-cov = "coverage run manage.py test {args:tests}"
-
-[[tool.hatch.envs.all.matrix]]
-django = ["3.2", "4.1", "4.2"]
-python = ["3.8", "3.9"]
-
-[[tool.hatch.envs.all.matrix]]
-django = ["3.2", "4.1", "4.2", "main"]
-python = ["3.10"]
-
-[[tool.hatch.envs.all.matrix]]
-django = ["4.1", "4.2", "main"]
-python = ["3.11"]
-
-[tool.hatch.envs.all.overrides]
-matrix.django.dependencies = [
-  {value = "django~=3.2.0", if = ["3.2"]},
-  {value = "django~=4.1.0", if = ["4.1"]},
-  {value = "django~=4.2.0", if = ["4.2"]},
-  {value = "django @ git+https://github.com/django/django.git", if = ["main"]},
-]
-
-[tool.hatch.envs.example]
-dependencies = [
-  "django>=3.2",
-]
-python = "3.11"
-template = "example"
-
-[tool.hatch.envs.example.scripts]
-runserver = [
-  "cd example && python manage.py migrate && python manage.py runserver",
-]
-
-[tool.hatch.envs.docs]
-dependencies = [
-  "sphinx>=7.0.1",
-  "sphinx-mdinclude>=0.5.3",
-  "furo>=2023.05.20",
-]
-python = "3.11"
-template = "docs"
-
-[tool.hatch.envs.docs.scripts]
-build = [
-  "clean",
-  "cd docs && sphinx-build -b html -d _build/doctrees . _build/html",
-]
-clean = "rm -rf docs/_build"
-
-[tool.hatch.envs.lint]
-dependencies = [
-  "ruff>0.1",
-]
-detached = true
-
-[tool.hatch.envs.lint.scripts]
-all = [
-  "style",
-]
-fmt = [
-  "ruff --fix {args:.}",
-  "ruff format {args:.}",
-  "style",
-]
-style = [
-  "ruff {args:.}",
-]
-
 [tool.ruff]
 fix = false
 fixable = [
@@ -175,7 +78,7 @@ known-third-party = ["django"]
 [tool.coverage.run]
 branch = true
 parallel = true
-source = ["src"]
+source = ["src", "tests"]
 
 [tool.coverage.paths]
 package = ["src/bootstrap4", "*/django_bootstrap4/src/bootstrap4"]
@@ -183,6 +86,3 @@ package = ["src/bootstrap4", "*/django_bootstrap4/src/bootstrap4"]
 [tool.coverage.report]
 show_missing = true
 skip_covered = true
-
-[tool.sphinx.x-conf]
-module = "bootstrap4"