diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..82a6e78
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,18 @@
+# The Flask HTTP Digest Authentication Project.
+# Author: imacat@mail.imacat.idv.tw (imacat), 2022/11/23
+
+#  Copyright (c) 2022 imacat.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+include tests/*
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..5e43b62
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,20 @@
+# The pyproject.toml
+# Author: imacat@mail.imacat.idv.tw (imacat), 2022/11/23
+
+#  Copyright (c) 2022 imacat.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+[build-system]
+requires = ["setuptools>=42"]
+build-backend = "setuptools.build_meta"
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..9c2c43a
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,51 @@
+# The setup.cfg
+#   by imacat <imacat@mail.imacat.idv.tw>, 2020/9/7
+
+#  Copyright (c) 2020 imacat.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+[metadata]
+name = mia-accounting
+version = 0.0.2
+author = imacat
+author_email = imacat@mail.imacat.idv.tw
+description = A Django accounting application.
+long_description = file: README.rst
+long_description_content_type = text/x-rst
+url = https://github.com/imacat/mia-accounting
+project_urls =
+    Bug Tracker = https://github.com/imacat/mia-accounting/issues
+classifiers =
+    Programming Language :: Python :: 3
+    License :: OSI Approved :: Apache Software License
+    Operating System :: OS Independent
+    Framework :: Django
+    Topic :: Office/Business :: Financial :: Accounting
+    Intended Audience :: End Users/Desktop
+
+[options]
+package_dir =
+    = src
+packages = find:
+python_requires = >=3.6
+install_requires =
+  django
+  django-dirtyfields
+  titlecase
+  django-decorator-include
+tests_require =
+  unittest
+
+[options.packages.find]
+where = src
diff --git a/setup.py b/setup.py
deleted file mode 100644
index a3197a6..0000000
--- a/setup.py
+++ /dev/null
@@ -1,43 +0,0 @@
-# The setup.py
-#   by imacat <imacat@mail.imacat.idv.tw>, 2020/9/7
-
-#  Copyright (c) 2020 imacat.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-import setuptools
-
-with open("README.rst", "r") as fh:
-    long_description = fh.read()
-
-setuptools.setup(
-    name="mia-accounting",
-    version="0.0.2",
-    author="imacat",
-    author_email="imacat@mail.imacat.idv.tw",
-    description="A Django accounting application",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    url="https://github.com/imacat/mia-accounting",
-    packages=setuptools.find_packages(where="src"),
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "License :: OSI Approved :: Apache Software License",
-        "Framework :: Django :: 3.0",
-        "Topic :: Office/Business :: Financial :: Accounting",
-        "Operating System :: OS Independent",
-    ],
-    python_requires=">=3.6",
-    install_requires=["django", "django-dirtyfields", "titlecase",
-                      "django-decorator-include"],
-    package_dir={"": "src"},
-)