diff --git a/pyproject.toml b/pyproject.toml
index 8fe2f47..2c00719 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,56 @@
 [build-system]
-requires = ["setuptools>=42", "wheel"]
+requires = ["setuptools>=61.0", "wheel"]
 build-backend = "setuptools.build_meta"
+
+[project]
+name = "pytimbr_api"
+version = "1.0.9"
+description = "Timbr REST API connector"
+readme = "README.md"
+license = "MIT"
+authors = [
+  {name = "timbr", email = "contact@timbr.ai"}
+]
+maintainers = [
+  {name = "timbr", email = "contact@timbr.ai"}
+]
+keywords = [
+  "timbr",
+  "timbr-http",
+  "timbr-https",
+  "timbr-rest",
+  "timbr-api",
+  "timbr-rest-api",
+  "timbr-connector",
+  "PyTimbrRestAPI",
+  "PyTimbr",
+  "pytimbrapi",
+  "PyTimbrAPI",
+  "pytimbr_api",
+  "PyTimbr_API"
+]
+classifiers = [
+  "Development Status :: 5 - Production/Stable",
+  "Intended Audience :: Developers",
+  "Topic :: Software Development :: Build Tools",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12"
+]
+requires-python = ">=3.9"
+dependencies = [
+  "requests>=2.32.3"
+]
+
+[project.urls]
+Homepage = "https://github.com/WPSemantix/timbr_python_http"
+Download = "https://github.com/WPSemantix/timbr_python_http/archive/refs/tags/v1.0.9.tar.gz"
+"Bug Tracker" = "https://github.com/WPSemantix/timbr_python_http/issues"
+Repository = "https://github.com/WPSemantix/timbr_python_http"
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["pytimbr_api*"]
+exclude = ["test*"]
diff --git a/setup.py b/setup.py
index 3e7cc1a..3f5f842 100644
--- a/setup.py
+++ b/setup.py
@@ -1,50 +1,5 @@
-import setuptools
+# This file is kept for backward compatibility
+# All configuration is now in pyproject.toml
+from setuptools import setup
 
-with open("README.md", "r", encoding="utf-8") as fh:
-  long_description = fh.read()
-
-setuptools.setup(
-  name='pytimbr_api',
-  version='1.0.8',
-  author='timbr',
-  author_email='contact@timbr.ai',
-  description='Timbr REST API connector',
-  long_description=long_description,
-  long_description_content_type="text/markdown",
-  url='https://github.com/WPSemantix/timbr_python_http',
-  download_url = 'https://github.com/WPSemantix/timbr_python_http/archive/refs/tags/v1.0.8.tar.gz',
-  project_urls={
-    "Bug Tracker": "https://github.com/WPSemantix/timbr_python_http/issues"
-  },
-  license='MIT',
-  packages=['pytimbr_api'],
-  install_requires=[
-    'requests>=2.32.3',
-  ],
-  package_data={},
-  keywords = [
-    'timbr',
-    'timbr-http',
-    'timbr-https',
-    'timbr-rest',
-    'timbr-api',
-    'timbr-rest-api',
-    'timbr-connector',
-    'PyTimbrRestAPI',
-    'PyTimbr',
-    'pytimbrapi',
-    'PyTimbrAPI',
-    'pytimbr_api',
-    'PyTimbr_API',
-  ],
-  classifiers=[
-    'Development Status :: 5 - Production/Stable',
-    'Intended Audience :: Developers',
-    'Topic :: Software Development :: Build Tools',
-    'License :: OSI Approved :: MIT License',
-    'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.7',
-    'Programming Language :: Python :: 3.8',
-    'Programming Language :: Python :: 3.9',
-  ],
-)
+setup()