diff --git a/build_deploy.sh b/build_deploy.sh
index 2bccb12..87a093a 100755
--- a/build_deploy.sh
+++ b/build_deploy.sh
@@ -1,16 +1,28 @@
 #!/usr/bin/env bash
+#================================================================
+# DESCRIPTION
+# This script builds the Python library and uploads the package either to testPyPi or PyPi, depending on the first argument provided.
+# The argument can be '--local' for local testing, '--test' for uploading to testPyPi, or left empty for uploading to PyPi.
+#================================================================
 
-TEST_URL="https://test.pypi.org/legacy/"
+print_msg() {
+  local GRE='\e[1;32m'
+  local NC='\e[0m'
+  echo -e "${GRE}$1${NC}"
+  return 0
+}
 
 pip3 install -r requirements/release.txt
 
-[ -d "dist" ] && rm -r dist && echo -e '\e[38;5;219m./dist dir deleted\e[0m'
-python3 setup.py sdist bdist_wheel
-[[ "$1" = "--local" ]] && echo -e '\e[38;5;219mtar.gz created in ./dist, install it locally via pip\e[0m' && exit 0
+[ -d "dist" ] && rm -r dist && print_msg './dist dir deleted'
+python3 -m build
+[[ "$1" = "--local" ]] && print_msg 'tar.gz created in ./dist, install it locally via pip' && exit 0
 
 if twine check dist/*; then
   if [ "$1" = "--test" ] ; then
-    twine upload --repository-url ${TEST_URL} dist/*
+    twine upload --repository testpypi dist/*
+    print_msg "Use this command for local testing:
+      python3 -m pip install --index-url https://test.pypi.org/simple/ --no-deps cron-converter"
   else
     twine upload dist/*
   fi
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..ff5f386
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,31 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "cron-converter"
+version = "1.1.0"
+authors = [
+  { name="Andrea Salvatori", email="16443598+Sonic0@users.noreply.github.com " },
+]
+description = "Cron string parser and scheduler for Python"
+readme = "README.md"
+requires-python = ">=3.8"
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "Intended Audience :: System Administrators",
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Operating System :: OS Independent",
+    "Topic :: Software Development :: Libraries :: Python Modules"
+]
+dependencies = ["python-dateutil"]
+
+[project.optional-dependencies]
+test = ["unittest"]
+
+[project.urls]
+Homepage = "https://github.com/Sonic0/cron-converter"
+Issues = "https://github.com/Sonic0/cron-converter/issues"
\ No newline at end of file
diff --git a/requirements/release.txt b/requirements/release.txt
index ca43792..273a4e0 100644
--- a/requirements/release.txt
+++ b/requirements/release.txt
@@ -1,4 +1,3 @@
 -r base.txt
 twine
-wheel
-setuptools
+build
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index e69de29..0000000
diff --git a/setup.py b/setup.py
deleted file mode 100644
index f005ee8..0000000
--- a/setup.py
+++ /dev/null
@@ -1,30 +0,0 @@
-from setuptools import setup, find_packages
-
-setup(
-    name='cron-converter',
-    version='1.0.2',
-    license='MIT License',
-    description='Cron string parser and scheduler for Python',
-    long_description=open('README.md').read(),
-    long_description_content_type='text/markdown',
-    author='Andrea Salvatori',
-    author_email='andrea.salvatori92@gmail.com',
-    url='https://github.com/Sonic0/cron-converter',
-    packages=['cron_converter', 'cron_converter/sub_modules'],
-    keywords='cron',
-    install_requires=['python-dateutil'],
-    include_package_data=True,
-    extras_require={
-            'test': ['unittest'],
-        },
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Developers',
-        'Intended Audience :: System Administrators',
-        'License :: OSI Approved :: MIT License',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3 :: Only',
-        'Topic :: Software Development :: Libraries :: Python Modules'
-    ],
-    python_requires='>=3.8',
-)