diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4e5d58f..ed6e305 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,6 +1,7 @@
 name: Build
 
 on:
+  workflow_dispatch:
   release:
     types: [published]
   push:
@@ -16,11 +17,11 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    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"]
 
     steps:
       - uses: actions/checkout@v1
@@ -59,39 +60,50 @@ jobs:
           bash <(curl -s https://codecov.io/bash)
 
       - name: Install distribution dependencies
-        run: pip install --upgrade twine setuptools wheel
-        if: matrix.python-version == 3.8 || matrix.python-version == 3.9
+        run: pip install build
+        if: matrix.python-version == 3.12
 
       - name: Create distribution package
-        run: python setup.py sdist bdist_wheel
-        if: matrix.python-version == 3.8 || matrix.python-version == 3.9
+        run: python -m build
+        if: matrix.python-version == 3.12
 
       - name: Upload distribution package
-        uses: actions/upload-artifact@master
+        uses: actions/upload-artifact@v4
         with:
-          name: dist-package-${{ matrix.python-version }}
+          name: dist
           path: dist
-        if: matrix.python-version == 3.8 || matrix.python-version == 3.9
+        if: matrix.python-version == 3.12
 
   publish:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     needs: build
-    if: github.event_name == 'release'
+    if: github.event_name == 'release' || github.event_name == 'workflow_dispatch'
     steps:
       - name: Download a distribution artifact
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
-          name: dist-package-3.9
+          name: dist
           path: dist
-      - name: Publish distribution 📦 to Test PyPI
-        uses: pypa/gh-action-pypi-publish@master
+
+      - name: Use Python 3.12
+        uses: actions/setup-python@v1
         with:
-          skip_existing: true
-          user: __token__
-          password: ${{ secrets.test_pypi_password }}
-          repository_url: https://test.pypi.org/legacy/
+          python-version: '3.12'
+
+      - name: Install dependencies
+        run: |
+          pip install twine
+
+      - name: Publish distribution 📦 to Test PyPI
+        run: |
+          twine upload -r testpypi dist/*
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.test_pypi_password }}
+
       - name: Publish distribution 📦 to PyPI
-        uses: pypa/gh-action-pypi-publish@master
-        with:
-          user: __token__
-          password: ${{ secrets.pypi_password }}
+        run: |
+          twine upload -r pypi dist/*
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.pypi_password }}
diff --git a/.gitignore b/.gitignore
index 771a5b9..816c204 100644
--- a/.gitignore
+++ b/.gitignore
@@ -128,3 +128,5 @@ dmypy.json
 # Pyre type checker
 .pyre/
 /tests/example.db
+
+example.db
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 47b02df..21b1b95 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.0.3] - 2023-12-29 :christmas_tree:
+- Upgrades the library to use `pyproject.toml`.
+- Updates the GitHub Workflow.
+- Updates the LICENSE contact.
+
 ## [0.0.2] - 2021-11-28 :sheep:
 - Unpins the `SQLAlchemy` version from requirements
 
diff --git a/LICENSE b/LICENSE
index 7c78d18..0b0a942 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021 Neoteroi
+Copyright (c) 2021, current Roberto Prevato <roberto.prevato@gmail.com>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 00b26f1..18ad65a 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,10 @@ simplifies the use of SQLAlchemy in the web framework.
 pip install blacksheep-sqlalchemy
 ```
 
+**Important:** this library only supports `rodi` dependency injection
+container. However, the implementation can be used for reference to configure
+other DI containers to work with SQLAlchemy.
+
 ## How to use
 
 ```python
@@ -64,7 +68,7 @@ For example, using SQLite:
 * requires driver: `pip install aiosqlite`
 * connection string: `sqlite+aiosqlite:///example.db`
 
-See the `tests` folder for a [working example](https://github.com/Neoteroi/BlackSheep-SQLAlchemy/blob/main/tests/app.py) 
+See the `tests` folder for a [working example](https://github.com/Neoteroi/BlackSheep-SQLAlchemy/blob/main/tests/app.py)
 using database migrations applied with `Alembic`, and a documented API that offers methods to fetch, create,
 delete countries objects.
 
diff --git a/blacksheepsqlalchemy/__init__.py b/blacksheepsqlalchemy/__init__.py
index 057ac01..38e4760 100644
--- a/blacksheepsqlalchemy/__init__.py
+++ b/blacksheepsqlalchemy/__init__.py
@@ -1,6 +1,7 @@
 from typing import Optional
 
 from blacksheep.server import Application
+from rodi import Container
 from sqlalchemy.ext.asyncio import (
     AsyncConnection,
     AsyncEngine,
@@ -31,6 +32,9 @@ def connection_factory() -> AsyncConnection:
     def session_factory() -> AsyncSession:
         return AsyncSession(engine, expire_on_commit=False)
 
+    assert isinstance(
+        app.services, Container
+    ), "blacksheep-sqlalchemy only supports rodi for dependency injection"
     app.services.add_instance(engine)
     app.services.add_alias(db_engine_alias, AsyncEngine)
 
diff --git a/dev-requirements.txt b/dev-requirements.txt
index a7710a9..6687ccb 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,42 +1,43 @@
-aiosqlite==0.17.0
-alembic==1.8.1
-attrs==22.1.0
-black==22.10.0
-blacksheep==1.2.8
-certifi==2022.9.24
-click==8.1.3
-coverage==6.5.0
+aiosqlite==0.19.0
+alembic==1.13.1
+attrs==23.1.0
+black==23.12.1
+blacksheep==2.0.3
+certifi==2023.11.17
+charset-normalizer==3.1.0
+click==8.1.7
+coverage==7.4.0
 essentials==1.1.5
-essentials-openapi==0.1.6
-exceptiongroup==1.0.4
-flake8==6.0.0
-greenlet==2.0.1
-guardpost==0.0.9
+essentials-openapi==1.0.9
+exceptiongroup==1.2.0
+flake8==6.1.0
+greenlet==3.0.3
+guardpost==1.0.2
 h11==0.14.0
-httptools==0.5.0
-iniconfig==1.1.1
-isort==5.10.1
+httptools==0.6.1
+iniconfig==2.0.0
+isort==5.13.2
 itsdangerous==2.1.2
 Jinja2==3.1.2
-Mako==1.2.4
-MarkupSafe==2.1.1
+Mako==1.3.0
+MarkupSafe==2.1.3
 mccabe==0.7.0
-mypy-extensions==0.4.3
-packaging==21.3
-pathspec==0.10.2
-platformdirs==2.5.4
-pluggy==1.0.0
-pycodestyle==2.10.0
-pyflakes==3.0.1
-pyparsing==3.0.9
-pytest==7.2.0
-pytest-asyncio==0.20.2
-pytest-cov==4.0.0
+mypy-extensions==1.0.0
+packaging==23.2
+pathspec==0.12.1
+platformdirs==4.1.0
+pluggy==1.3.0
+pycodestyle==2.11.1
+pyflakes==3.1.0
+pyparsing==3.1.1
+pytest==7.4.3
+pytest-asyncio==0.23.2
+pytest-cov==4.1.0
 python-dateutil==2.8.2
-PyYAML==5.4.1
-rodi==1.1.3
+PyYAML==6.0.1
+rodi==2.0.6
 six==1.16.0
-SQLAlchemy==1.4.44
+SQLAlchemy==2.0.24
 tomli==2.0.1
-typing_extensions==4.4.0
-uvicorn==0.20.0
+typing_extensions==4.9.0
+uvicorn==0.25.0
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..af1c987
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,41 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "blacksheep-sqlalchemy"
+version = "0.0.3"
+authors = [{ name = "Roberto Prevato", email = "roberto.prevato@gmail.com" }]
+description = "Extension for BlackSheep to use SQLAlchemy."
+readme = "README.md"
+requires-python = ">=3.7"
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "License :: OSI Approved :: MIT License",
+    "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",
+    "Operating System :: OS Independent",
+]
+keywords = ["blacksheep", "sqlalchemy", "orm", "database"]
+
+dependencies = ["blacksheep", "SQLAlchemy"]
+
+[tool.hatch.build.targets.wheel]
+packages = ["blacksheepsqlalchemy"]
+
+[tool.hatch.build.targets.sdist]
+exclude = ["tests"]
+
+[tool.hatch.build]
+only-packages = true
+
+[project.urls]
+"Homepage" = "https://github.com/Neoteroi/BlackSheep-SQLAlchemy"
+"Bug Tracker" = "https://github.com/Neoteroi/BlackSheep-SQLAlchemy/issues"
+
+[tool.pytest.ini_options]
+asyncio_mode = "auto"
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 24e9711..0000000
--- a/setup.py
+++ /dev/null
@@ -1,34 +0,0 @@
-from setuptools import setup
-
-
-def readme():
-    with open("README.md") as f:
-        return f.read()
-
-
-setup(
-    name="blacksheep-sqlalchemy",
-    version="0.0.2",
-    description="Extension for BlackSheep to use SQLAlchemy",
-    long_description=readme(),
-    long_description_content_type="text/markdown",
-    classifiers=[
-        "Development Status :: 3 - Alpha",
-        "License :: OSI Approved :: MIT License",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Operating System :: OS Independent",
-    ],
-    url="https://github.com/Neoteroi/BlackSheep-SQLAlchemy",
-    author="RobertoPrevato",
-    author_email="roberto.prevato@gmail.com",
-    keywords="blacksheep sqlalchemy orm database",
-    license="MIT",
-    packages=["blacksheepsqlalchemy"],
-    install_requires=["blacksheep", "SQLAlchemy"],
-    include_package_data=True,
-    zip_safe=False,
-)
diff --git a/tests/app.py b/tests/app.py
index 162c2d9..c6e85c4 100644
--- a/tests/app.py
+++ b/tests/app.py
@@ -1,13 +1,6 @@
-import sys
 from dataclasses import dataclass
 from typing import List
 
-from sqlalchemy.sql.expression import select
-
-# hack to keep example code inside the tests folder without polluting the root folder
-# of the repository
-sys.path.append("../")
-
 import uvicorn
 from blacksheep.messages import Response
 from blacksheep.server import Application
@@ -15,6 +8,8 @@
 from openapidocs.v3 import Info
 from sqlalchemy import delete as sql_delete
 from sqlalchemy import text
+from sqlalchemy.ext.asyncio import AsyncConnection, AsyncSession
+from sqlalchemy.sql.expression import select
 
 from blacksheepsqlalchemy import use_sqlalchemy
 from tests.domain import Country
@@ -45,7 +40,9 @@ class CountryData:
 
 @docs(tags=["db-connection"])
 @post("/api/connection/countries")
-async def create_country_1(db_connection, data: CreateCountryInput) -> Response:
+async def create_country_1(
+    db_connection: AsyncConnection, data: CreateCountryInput
+) -> Response:
     """
     Inserts a country using a database connection.
     """
@@ -60,7 +57,7 @@ async def create_country_1(db_connection, data: CreateCountryInput) -> Response:
 
 @docs(tags=["db-connection"])
 @delete("/api/connection/countries/{country_id}")
-async def delete_country_1(db_connection, country_id: str) -> Response:
+async def delete_country_1(db_connection: AsyncConnection, country_id: str) -> Response:
     """
     Deletes a country by id using a database connection.
     """
@@ -75,21 +72,21 @@ async def delete_country_1(db_connection, country_id: str) -> Response:
 
 @docs(tags=["db-connection"])
 @get("/api/connection/countries")
-async def get_countries_1(db_connection) -> List[CountryData]:
+async def get_countries_1(db_connection: AsyncConnection) -> List[CountryData]:
     """
     Fetches the countries using a database connection.
     """
     result = []
     async with db_connection:
-        items = await db_connection.execute(text("SELECT * FROM country"))
+        items = await db_connection.execute(text("SELECT id, name FROM country"))
         for item in items.fetchall():
-            result.append(CountryData(item["id"], item["name"]))
+            result.append(CountryData(item[0], item[1]))
     return result
 
 
 @docs(tags=["ORM"])
 @get("/api/orm/countries")
-async def get_countries_2(db_session) -> List[CountryData]:
+async def get_countries_2(db_session: AsyncSession) -> List[CountryData]:
     """
     Fetches the countries using the ORM pattern.
     """
@@ -104,7 +101,9 @@ async def get_countries_2(db_session) -> List[CountryData]:
 
 @docs(tags=["ORM"])
 @post("/api/orm/countries")
-async def create_country_2(db_session, data: CreateCountryInput) -> Response:
+async def create_country_2(
+    db_session: AsyncSession, data: CreateCountryInput
+) -> Response:
     """
     Inserts a country using the ORM pattern.
     """
@@ -116,7 +115,7 @@ async def create_country_2(db_session, data: CreateCountryInput) -> Response:
 
 @docs(tags=["ORM"])
 @delete("/api/orm/countries/{country_id}")
-async def delete_country_2(db_session, country_id: str) -> Response:
+async def delete_country_2(db_session: AsyncSession, country_id: str) -> Response:
     """
     Deletes a country using the ORM pattern.
     """
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..40d6dfb
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,3 @@
+import os
+
+os.environ["APP_DEFAULT_ROUTER"] = "0"
diff --git a/tests/fixtures.py b/tests/fixtures.py
index afb7093..e040b9e 100644
--- a/tests/fixtures.py
+++ b/tests/fixtures.py
@@ -5,32 +5,25 @@
 import pytest
 import uvicorn
 from blacksheep.client import ClientSession
-from blacksheep.client.pool import ClientConnectionPools
+from blacksheep.client.pool import ConnectionPools
 
 from tests.utils import get_sleep_time
 
 from .app import app
 
 
-@pytest.fixture(scope="session")
-def event_loop():
-    """Create an instance of the default event loop for all test cases."""
-    loop = asyncio.get_event_loop_policy().new_event_loop()
-    yield loop
-    loop.close()
-
-
-@pytest.fixture(scope="module")
-def client_session(server_host, server_port, event_loop):
-    # It is important to pass the instance of ClientConnectionPools,
+@pytest.fixture()
+async def client_session(server_host, server_port):
+    # It is important to pass the instance of ConnectionPools,
     # to ensure that the connections are reused and closed
+    event_loop = asyncio.get_running_loop()
     session = ClientSession(
         loop=event_loop,
         base_url=f"http://{server_host}:{server_port}",
-        pools=ClientConnectionPools(event_loop),
+        pools=ConnectionPools(event_loop),
     )
     yield session
-    asyncio.run(session.close())
+    await session.close()
 
 
 @pytest.fixture(scope="module")
diff --git a/tests/test_blacksheepsqlalchemy.py b/tests/test_blacksheepsqlalchemy.py
index 3b17e73..1648156 100644
--- a/tests/test_blacksheepsqlalchemy.py
+++ b/tests/test_blacksheepsqlalchemy.py
@@ -1,3 +1,5 @@
+from typing import Literal
+
 import pytest
 from blacksheep.client import ClientSession
 from blacksheep.contents import JSONContent
@@ -9,8 +11,13 @@
 
 
 async def insert_fetch_delete_scenario(
-    client_session: ClientSession, option: str, country_code: str, country_name: str
+    client_session: ClientSession,
+    option: Literal["connection", "orm"],
+    country_code: str,
+    country_name: str,
 ):
+    await client_session.delete(f"/api/{option}/countries/{country_code}")
+
     response = await client_session.post(
         "/api/connection/countries",
         JSONContent({"id": country_code, "name": country_name}),