diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 4e1ef42..9b97706 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -21,11 +21,11 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install setuptools wheel twine
+        pip install build twine
     - name: Build and publish
       env:
         TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
       run: |
-        python setup.py sdist bdist_wheel
+        python -m build
         twine upload dist/*
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 2e4905b..80f702b 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -9,11 +9,15 @@ The source code, located at `the ColorDetect project page <https://github.com/Ma
 
 Setup
 -----
-This project can be setup with::
+This project uses `uv <https://docs.astral.sh/uv/>`_ for dependency management.
+Install it via::
 
-    python3 -m venv .venv
-    .venv/bin/activate
-    pip install -r requirements/requirements-dev.txt
+    curl -LsSf https://astral.sh/uv/install.sh | sh
+
+Then set up the project::
+
+    uv venv
+    uv pip install -e ".[dev]"
     pre-commit install
 
 
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..271594f
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,41 @@
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "ColorDetect"
+version = "1.6.3"
+authors = [
+    {name = "Marvin Kweyu", email = "mkweyu1@gmail.com"},
+]
+description = "Detect and recognize colors in images or video"
+readme = "README.md"
+license = {text = "MIT"}
+requires-python = ">=3.6"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: POSIX :: Linux",
+]
+dependencies = [
+    "numpy>=1.18.1",
+    "matplotlib>=3.2.1",
+    "opencv-python>=4.2.0.32",
+    "scikit-learn>=0.22.2.post1",
+    "webcolors>=1.11.1",
+]
+
+[project.urls]
+Homepage = "https://github.com/MarvinKweyu/ColorDetect"
+
+[project.optional-dependencies]
+dev = [
+    "pytest",
+    "flake8",
+    "black",
+    "isort",
+    "pre-commit",
+]
+
+[tool.setuptools.packages.find]
+where = ["."]
diff --git a/setup.py b/setup.py
deleted file mode 100644
index a811c05..0000000
--- a/setup.py
+++ /dev/null
@@ -1,31 +0,0 @@
-import setuptools
-
-with open("README.md", "r") as fh:
-    long_description = fh.read()
-
-setuptools.setup(
-    name="ColorDetect",
-    version="1.6.3",
-    author="Marvin Kweyu",
-    author_email="mkweyu1@gmail.com",
-    description="Detect and recognize colors in images or video",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    url="https://github.com/MarvinKweyu/ColorDetect",
-    packages=setuptools.find_packages(),
-    include_package_data=True,
-    license="MIT",
-    install_requires=[
-        "numpy>=1.18.1",
-        "matplotlib>=3.2.1",
-        "opencv-python>=4.2.0.32",
-        "scikit-learn>=0.22.2.post1",
-        "webcolors>=1.11.1",
-    ],
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "License :: OSI Approved :: MIT License",
-        "Operating System :: POSIX :: Linux",
-    ],
-    python_requires=">=3.6",
-)
diff --git a/tests/conftest.py b/tests/conftest.py
index a341e0b..8b0c95e 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,7 +1,7 @@
 from __future__ import unicode_literals
 
 import os
-from distutils import dir_util
+import shutil
 
 import pytest
 
@@ -42,6 +42,6 @@ def datadir(tmpdir, request):
     test_dir, _ = os.path.splitext(filename)
 
     if os.path.isdir(test_dir):
-        dir_util.copy_tree(test_dir, bytes(tmpdir))
+        shutil.copytree(test_dir, str(tmpdir), dirs_exist_ok=True)
 
     return tmpdir
diff --git a/tests/test_functional.py b/tests/test_functional.py
index 6de785a..54c4dfb 100644
--- a/tests/test_functional.py
+++ b/tests/test_functional.py
@@ -3,7 +3,6 @@
 test whether text is written to the image
 """
 
-import imghdr
 import mimetypes
 from pathlib import Path
 
@@ -24,7 +23,8 @@ def test_argument_is_image(image):
     """
     Ensure that the argument parsed is an image
     """
-    assert type(imghdr.what(Path(image))) is str
+    mime_type, _ = mimetypes.guess_type(str(image))
+    assert mime_type is not None and mime_type.startswith("image/")
 
 
 def test_video_passed_is_valid_video(video):
diff --git a/tests/test_unit.py b/tests/test_unit.py
index 92595f8..1adcc0d 100644
--- a/tests/test_unit.py
+++ b/tests/test_unit.py
@@ -3,11 +3,9 @@
 From the developers perspective
 """
 
-import mimetypes
 import os
 from pathlib import Path
 
-import cv2
 import pytest
 
 from ..colordetect import ColorDetect, VideoColor, col_share