diff --git a/pyproject.toml b/pyproject.toml
index 9bd6669..61c62c9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,60 @@
+[build-system]
+requires = ["flit_core >=3.2,<4"]
+build-backend = "flit_core.buildapi"
+[project]
+name = "bayesclass"
+description = "A collection of Bayesian Estimators."
+authors = [
+  { name = "Ricardo Montañana", email = "ricardo.montanana@alu.uclm.es" },
+]
+dynamic = ['version']
+dependencies = [
+  "numpy",
+  "scipy",
+  "pandas",
+  "scikit-learn",
+  "pgmpy",
+  "networkx",
+  "matplotlib",
+]
+readme = "README.md"
+requires-python = ">=3.8"
+classifiers = [
+  "Development Status :: 3 - Alpha",
+  "Intended Audience :: Science/Research",
+  "Intended Audience :: Developers",
+  "Topic :: Software Development",
+  "Topic :: Scientific/Engineering",
+  "License :: OSI Approved :: MIT License",
+  "Natural Language :: English",
+  "Operating System :: OS Independent",
+  "Programming Language :: Python",
+  "Programming Language :: Python",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+]
+[project.optional-dependencies]
+dev = [
+  "black",
+  "pre-commit",
+  "flake8",
+  "mypy",
+  "pytest",
+  "pytest-cov",
+  "sphinx",
+  "sphinx-gallery",
+  "sphinx_rtd_theme",
+  "numpydoc",
+]
+[project.urls]
+Home = "https://github.com/doctorado-ml/bayesclass"
+[tool.pytest.ini_options]
+addopts = "--cov --cov-report html --cov-report term-missing --cov-fail-under 95"
+
+[tool.coverage.run]
+source = ["bayesclass"]
+
 [tool.black]
 line-length = 79
 include = '\.pyi?$'
@@ -13,4 +70,4 @@ exclude = '''
   | build
   | dist
 )/
-'''
\ No newline at end of file
+'''
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index e149b92..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,8 +0,0 @@
-[metadata]
-description-file = README.rst
-
-[aliases]
-test = pytest
-
-#[tool:pytest]
-#addopts = --doctest-modules
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 0a0e2ea..0000000
--- a/setup.py
+++ /dev/null
@@ -1,78 +0,0 @@
-#! /usr/bin/env python
-"""A collection of Bayesian Estimators."""
-
-import codecs
-import os
-
-from setuptools import find_packages, setup
-
-# get __version__ from _version.py
-ver_file = os.path.join("bayesclass", "_version.py")
-with open(ver_file) as f:
-    exec(f.read())
-
-DISTNAME = "bayesclass"
-DESCRIPTION = "A collection of Bayesian Estimators."
-with codecs.open("README.rst", encoding="utf-8-sig") as f:
-    LONG_DESCRIPTION = f.read()
-MAINTAINER = "Ricardo Montañana"
-MAINTAINER_EMAIL = "rmontanana@gmail.com"
-URL = "https://github.com/doctorado-ml/bayesclass"
-LICENSE = "MIT"
-DOWNLOAD_URL = "https://github.com/doctorado-ml/bayesclass"
-VERSION = __version__
-INSTALL_REQUIRES = [
-    "numpy",
-    "scipy",
-    "scikit-learn",
-    "pgmpy",
-    "networkx",
-    "matplotlib",
-]
-CLASSIFIERS = [
-    "Intended Audience :: Science/Research",
-    "Intended Audience :: Developers",
-    "License :: OSI Approved",
-    "Programming Language :: Python",
-    "Topic :: Software Development",
-    "Topic :: Scientific/Engineering",
-    "Operating System :: Microsoft :: Windows",
-    "Operating System :: POSIX",
-    "Operating System :: Unix",
-    "Operating System :: MacOS",
-    "Programming Language :: Python :: 2.7",
-    "Programming Language :: Python :: 3.5",
-    "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 :: 3.11",
-]
-EXTRAS_REQUIRE = {
-    "tests": ["pytest", "pytest-cov"],
-    "docs": [
-        "sphinx",
-        "sphinx-gallery",
-        "sphinx_rtd_theme",
-        "numpydoc",
-        "matplotlib",
-    ],
-}
-
-setup(
-    name=DISTNAME,
-    maintainer=MAINTAINER,
-    maintainer_email=MAINTAINER_EMAIL,
-    description=DESCRIPTION,
-    license=LICENSE,
-    url=URL,
-    version=VERSION,
-    download_url=DOWNLOAD_URL,
-    long_description=LONG_DESCRIPTION,
-    zip_safe=False,  # the package can run out of an .egg file
-    classifiers=CLASSIFIERS,
-    packages=find_packages(),
-    install_requires=INSTALL_REQUIRES,
-    extras_require=EXTRAS_REQUIRE,
-)