diff --git a/.github/workflows/test_docker.yml b/.github/workflows/test_docker.yml
index b365c03..fe6b4f3 100644
--- a/.github/workflows/test_docker.yml
+++ b/.github/workflows/test_docker.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        version: ['38']
+        version: ['39']
     container:
       image: registry.fedoraproject.org/fedora:${{ matrix.version }}
     steps:
diff --git a/.github/workflows/test_docs.yml b/.github/workflows/test_docs.yml
index 5e3bb58..144a5b6 100644
--- a/.github/workflows/test_docs.yml
+++ b/.github/workflows/test_docs.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         include:
-        - python-version: '3.11'
+        - python-version: '3.12'
           toxenv: 'docs'
     container:
       image: ubuntu:22.04
@@ -36,7 +36,7 @@ jobs:
         add-apt-repository -y ppa:deadsnakes/ppa
         add-apt-repository -y ppa:gift/dev
         apt-get update -q
-        apt-get install -y build-essential git libffi-dev python${{ matrix.python-version }} python${{ matrix.python-version }}-dev python${{ matrix.python-version }}-venv python3-distutils python3-pip python3-setuptools
+        apt-get install -y build-essential git python${{ matrix.python-version }} python${{ matrix.python-version }}-dev python${{ matrix.python-version }}-venv python3-distutils python3-pip python3-setuptools
     - name: Install tox
       run: |
         python3 -m pip install tox
diff --git a/.github/workflows/test_tox.yml b/.github/workflows/test_tox.yml
index 9e02a93..ab92871 100644
--- a/.github/workflows/test_tox.yml
+++ b/.github/workflows/test_tox.yml
@@ -14,8 +14,6 @@ jobs:
     strategy:
       matrix:
         include:
-        - python-version: '3.7'
-          toxenv: 'py37,wheel'
         - python-version: '3.8'
           toxenv: 'py38,wheel'
         - python-version: '3.9'
@@ -46,7 +44,7 @@ jobs:
         add-apt-repository -y ppa:deadsnakes/ppa
         add-apt-repository -y ppa:gift/dev
         apt-get update -q
-        apt-get install -y build-essential git libffi-dev python${{ matrix.python-version }} python${{ matrix.python-version }}-dev python${{ matrix.python-version }}-venv python3-distutils python3-pip python3-setuptools
+        apt-get install -y build-essential git python${{ matrix.python-version }} python${{ matrix.python-version }}-dev python${{ matrix.python-version }}-venv python3-distutils python3-pip python3-setuptools
     - name: Install tox
       run: |
         python3 -m pip install tox
@@ -82,7 +80,7 @@ jobs:
         add-apt-repository -y ppa:deadsnakes/ppa
         add-apt-repository -y ppa:gift/dev
         apt-get update -q
-        apt-get install -y build-essential git libffi-dev python${{ matrix.python-version }} python${{ matrix.python-version }}-dev python${{ matrix.python-version }}-venv python3-distutils python3-pip python3-setuptools
+        apt-get install -y build-essential git python${{ matrix.python-version }} python${{ matrix.python-version }}-dev python${{ matrix.python-version }}-venv python3-distutils python3-pip python3-setuptools
     - name: Install tox
       run: |
         python3 -m pip install tox
@@ -98,7 +96,7 @@ jobs:
     strategy:
       matrix:
         include:
-        - python-version: '3.11'
+        - python-version: '3.12'
           toxenv: 'lint'
     container:
       image: ubuntu:22.04
@@ -120,7 +118,7 @@ jobs:
         add-apt-repository -y ppa:deadsnakes/ppa
         add-apt-repository -y ppa:gift/dev
         apt-get update -q
-        apt-get install -y build-essential git libffi-dev python${{ matrix.python-version }} python${{ matrix.python-version }}-dev python${{ matrix.python-version }}-venv python3-distutils python3-pip python3-setuptools
+        apt-get install -y build-essential git python${{ matrix.python-version }} python${{ matrix.python-version }}-dev python${{ matrix.python-version }}-venv python3-distutils python3-pip python3-setuptools
     - name: Install tox
       run: |
         python3 -m pip install tox
diff --git a/appveyor.yml b/appveyor.yml
index f10b274..fa80fa7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,34 +1,34 @@
 environment:
   matrix:
-  - DESCRIPTION: "Run tests on Windows with 32-bit Python 3.11"
+  - DESCRIPTION: "Run tests on Windows with 32-bit Python 3.12"
     MACHINE_TYPE: "x86"
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
-    PYTHON: "C:\\Python311"
-    PYTHON_VERSION: "3.11"
+    PYTHON: "C:\\Python312"
+    PYTHON_VERSION: "3.12"
     L2TBINARIES_TRACK: "dev"
     TARGET: tests
-  - DESCRIPTION: "Run tests on Windows with 64-bit Python 3.11"
+  - DESCRIPTION: "Run tests on Windows with 64-bit Python 3.12"
     MACHINE_TYPE: "amd64"
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
-    PYTHON: "C:\\Python311-x64"
-    PYTHON_VERSION: "3.11"
+    PYTHON: "C:\\Python312-x64"
+    PYTHON_VERSION: "3.12"
     L2TBINARIES_TRACK: "dev"
     TARGET: tests
-  - DESCRIPTION: "Build wheel on Windows with 32-bit Python 3.11"
+  - DESCRIPTION: "Build wheel on Windows with 32-bit Python 3.12"
     MACHINE_TYPE: "amd64"
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
-    PYTHON: "C:\\Python311-x64"
-    PYTHON_VERSION: "3.11"
+    PYTHON: "C:\\Python312-x64"
+    PYTHON_VERSION: "3.12"
     L2TBINARIES_TRACK: "dev"
     TARGET: wheel
-  - DESCRIPTION: "Build wheel on Windows with 64-bit Python 3.11"
+  - DESCRIPTION: "Build wheel on Windows with 64-bit Python 3.12"
     MACHINE_TYPE: "amd64"
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
-    PYTHON: "C:\\Python311-x64"
-    PYTHON_VERSION: "3.11"
+    PYTHON: "C:\\Python312-x64"
+    PYTHON_VERSION: "3.12"
     L2TBINARIES_TRACK: "dev"
     TARGET: wheel
-  - DESCRIPTION: "Run tests on Mac OS with Python 3.11"
+  - DESCRIPTION: "Run tests on Mac OS with Python 3.12"
     APPVEYOR_BUILD_WORKER_IMAGE: macos-monterey
     HOMEBREW_NO_INSTALL_CLEANUP: 1
     TARGET: tests
diff --git a/config/appveyor/install.sh b/config/appveyor/install.sh
index e36de4c..42c4ab6 100755
--- a/config/appveyor/install.sh
+++ b/config/appveyor/install.sh
@@ -3,5 +3,5 @@
 set -e
 
 brew update -q
-brew install -q gettext gnu-sed python@3.11 tox || true
+brew install -q gettext gnu-sed python@3.12 tox || true
 
diff --git a/config/appveyor/runtests.sh b/config/appveyor/runtests.sh
index e3bc8c3..86ba5ce 100755
--- a/config/appveyor/runtests.sh
+++ b/config/appveyor/runtests.sh
@@ -9,7 +9,7 @@ export LDFLAGS="-L/usr/local/lib -L/usr/local/opt/gettext/lib ${LDFLAGS}";
 export CPPFLAGS="-I/usr/local/opt/openssl@1.1/include ${CPPFLAGS}";
 export LDFLAGS="-L/usr/local/opt/openssl@1.1/lib ${LDFLAGS}";
 
-# Set the following environment variables to ensure tox can find Python 3.11.
-export PATH="/usr/local/opt/python@3.11/bin:${PATH}";
+# Set the following environment variables to ensure tox can find Python 3.12.
+export PATH="/usr/local/opt/python@3.12/bin:${PATH}";
 
-tox -e py311
+tox -e py312
diff --git a/config/dpkg/changelog b/config/dpkg/changelog
index a18ec46..a59a347 100644
--- a/config/dpkg/changelog
+++ b/config/dpkg/changelog
@@ -1,5 +1,5 @@
-dfkinds (20211228-1) unstable; urgency=low
+dfkinds (20240317-1) unstable; urgency=low
 
   * Auto-generated
 
- -- Log2Timeline maintainers <log2timeline-maintainers@googlegroups.com>  Tue, 28 Dec 2021 04:57:45 +0100
+ -- Log2Timeline maintainers <log2timeline-maintainers@googlegroups.com>  Sun, 17 Mar 2024 06:27:18 +0100
diff --git a/dfkinds/__init__.py b/dfkinds/__init__.py
index f94f4da..7f4249c 100644
--- a/dfkinds/__init__.py
+++ b/dfkinds/__init__.py
@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 """Digital Forensics kinds (types and classes).
 
-dfKinds, or Digital Forensics kinds, provides data type and class definitions
-to provide consistent definitions of entities (or description of things) across
+dfKinds, or Digital Forensics kinds, provides data type and class definitions to
+provide consistent definitions of entities (or description of things) across
 different tools.
 """
 
-__version__ = '20211228'
+__version__ = '20240317'
diff --git a/docs/conf.py b/docs/conf.py
index 5e31621..adbd794 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -52,6 +52,7 @@
 # docstrings.
 napoleon_google_docstring = True
 napoleon_numpy_docstring = False
+napoleon_include_init_with_doc = True
 napoleon_include_private_with_doc = False
 napoleon_include_special_with_doc = True
 
diff --git a/pyproject.toml b/pyproject.toml
index 9787c3b..ee74093 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,10 @@
 [build-system]
 requires = ["setuptools", "wheel"]
 build-backend = "setuptools.build_meta"
+
+[tool.docformatter]
+black = false
+non-cap = ["dfDateTime", "dfImageTools", "dfVFS", "dfWinReg", "dtFabric", "iMessage", "iOS", "iPod", "mDNS"]
+non-strict = false
+wrap-summaries = 80
+wrap-descriptions = 80
diff --git a/setup.cfg b/setup.cfg
index 8a50f35..15e0755 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = dfkinds
-version = 20231228
+version = 20240317
 description = Digital Forensics kinds (types and classes).
 long_description = dfKinds, or Digital Forensics kinds, provides data type and class definitions to provide consistent definitions of entities (or description of things) across different tools.
 long_description_content_type = text/plain
@@ -22,7 +22,7 @@ install_requires = file:requirements.txt
 package_dir =
   dfkinds = dfkinds
 packages = find:
-python_requires = >=3.7
+python_requires = >=3.8
 
 [options.packages.find]
 exclude =
@@ -32,15 +32,5 @@ exclude =
   utils
 where = .
 
-[bdist_rpm]
-release = 1
-packager = Log2Timeline maintainers <log2timeline-maintainers@googlegroups.com>
-doc_files =
-  ACKNOWLEDGEMENTS
-  AUTHORS
-  LICENSE
-  README
-build_requires = python3-setuptools
-
 [bdist_wheel]
 universal = 1
diff --git a/tox.ini b/tox.ini
index ac82501..8f50ec2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py3{7,8,9,10,11,12},coverage,docs,lint,wheel
+envlist = py3{8,9,10,11,12},coverage,docformatter,docs,lint,wheel
 
 [testenv]
 allowlist_externals = ./run_tests.py
@@ -19,12 +19,19 @@ deps =
     setuptools >= 65
     wheel
 commands =
-  py3{7,8,9,10,11,12}: ./run_tests.py
+  py3{8,9,10,11,12}: ./run_tests.py
   coverage: coverage erase
   coverage: coverage run --source=dfkinds --omit="*_test*,*__init__*,*test_lib*" run_tests.py
   coverage: coverage xml
   wheel: python -m build --no-isolation --wheel
 
+[testenv:docformatter]
+usedevelop = True
+deps =
+  docformatter
+commands =
+  docformatter --in-place --recursive dfkinds tests
+
 [testenv:docs]
 usedevelop = True
 deps =
@@ -45,7 +52,11 @@ setenv =
 deps =
   -rrequirements.txt
   -rtest_requirements.txt
-  pylint >= 2.17.0, < 2.18.0
+  docformatter
+  pylint >= 3.0.0, < 3.1.0
+  setuptools
 commands =
+  docformatter --version
   pylint --version
+  docformatter --check --diff --recursive dfkinds setup.py tests
   pylint --rcfile=.pylintrc dfkinds setup.py tests
diff --git a/utils/update_release.sh b/utils/update_release.sh
index 3b8be6b..86ee741 100755
--- a/utils/update_release.sh
+++ b/utils/update_release.sh
@@ -22,7 +22,7 @@ dfkinds (${VERSION}-1) unstable; urgency=low
 EOT
 
 # Regenerate the API documentation.
-tox -edocs
+tox -edocformatter,docs
 
 exit ${EXIT_SUCCESS};