diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0c1e308..9911106 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,12 +5,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 49b0ada..90ad552 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,19 +10,18 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7]
+        python-version: ["3.12"]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
-      run: pip install wheel
+      run: pip install build
     - name: Build distribution
-      run: python setup.py sdist bdist_wheel
+      run: python -m build
     - name: Publish package to PyPi
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@v1.12.2
       with:
-        user: __token__
         password: ${{ secrets.pypi_password }}
diff --git a/.gitignore b/.gitignore
index aa067ac..e856676 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,7 +3,6 @@ __pycache__
 *.pyc
 *.json
 *.txt
-!requirements.txt
 .coverage
 htmlcov
 build
diff --git a/README.md b/README.md
index 8be8be5..65d7428 100644
--- a/README.md
+++ b/README.md
@@ -30,24 +30,28 @@ which received a [Distinguished Artifact Award](https://conf.researchr.org/detai
 
 ### Requirements ###
 
-* python 3.8.*
-* Other python dependencies will be installed during the below setup process
+* Python 3.8 or higher
+* Other python dependencies will be installed during the installation process
 
-You can either install subschema from the source code from github or the pypy package.
+You can either install jsonsubschema from PyPI or from the source code on GitHub.
 
-### A) Install from github source code ###
+### A) Install from PyPI ###
 Execute the following:
-```
-git clone https://github.com/IBM/jsonsubschema.git 
-cd jsonsubschema
-python setup.py install
-cd ..
+```bash
+pip install jsonsubschema
 ```
 
-### B) Install from pypy ###
+### B) Install from GitHub source code ###
 Execute the following:
+```bash
+git clone https://github.com/IBM/jsonsubschema.git
+cd jsonsubschema
+pip install .
 ```
-pip install jsonsubschema
+
+For development installation (editable mode):
+```bash
+pip install -e .
 ```
 
 ## II) Running  subschema ##
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..de8ba9c
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,47 @@
+[build-system]
+requires = ["setuptools>=61.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "jsonsubschema"
+version = "0.0.8"
+description = "A tool to check whether a JSON schema is subset/subschema of another JSON schema"
+readme = "README.md"
+license = "Apache-2.0"
+authors = [
+    {name = "Andrew Habib", email = "andrew.a.habib@gmail.com"},
+    {name = "Avraham Shinnar"},
+    {name = "Martin Hirzel"},
+]
+requires-python = ">=3.8"
+dependencies = [
+    "portion",
+    "greenery>=4.0.0",
+    "jsonschema",
+    "jsonref",
+]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "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",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+    "Topic :: Software Development :: Testing",
+]
+
+[project.urls]
+Homepage = "https://github.com/IBM/jsonsubschema"
+Repository = "https://github.com/IBM/jsonsubschema"
+"Bug Tracker" = "https://github.com/IBM/jsonsubschema/issues"
+
+[project.scripts]
+jsonsubschema = "jsonsubschema.cli:main"
+
+[tool.setuptools.packages.find]
+include = ["jsonsubschema*"]
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 9c558e3..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-.
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 3a34154..0000000
--- a/setup.py
+++ /dev/null
@@ -1,26 +0,0 @@
-'''
-Created on August 6, 2019
-@author: Andrew Habib
-'''
-
-from setuptools import setup
-
-with open("README.md", "r") as fh:
-    long_description = fh.read()
-    
-setup(
-    name='jsonsubschema',
-    version='0.0.7',
-    author='Andrew Habib, Avraham Shinnar, Martin Hirzel',
-    author_email='andrew.a.habib@gmail.com',
-    description="A tool to check whether a JSON schema is subset/subschema of another JSON schema",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    url='https://github.com/IBM/jsonsubschema',
-    packages=['jsonsubschema', ],
-    license='Apache License 2.0',
-    install_requires=['portion', 'greenery>=4.0.0', 'jsonschema', 'jsonref'],
-    entry_points={
-        'console_scripts': 'jsonsubschema=jsonsubschema.cli:main'
-    }
-)