diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index 56d2173..122edb0 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -12,19 +12,19 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - name: Checkout
-      uses: actions/checkout@v4
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      with:
+        persist-credentials: false
 
-    - name: Set up Python 3.9
-      uses: actions/setup-python@v3
+    - name: Install the latest version of uv and set the python version
+      uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
       with:
-        python-version: "3.9"
+        python-version: '3.14'
 
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 pytest
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        pip install flake8
 
     - name: Lint with flake8
       run: |
@@ -32,11 +32,11 @@ jobs:
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide, we further relax this
         flake8 . --count --exit-zero --max-complexity=30 --max-line-length=130 --statistics
+
     - name: Build
       run: |
-        pip install build
-        python -m build
+        uv build
+
     - name: Test with pytest
       run: |
-        if [ -f tests/requirements.txt ]; then pip install -r tests/requirements.txt; fi
-        pytest --cov-report term --cov=cs3client tests/
+        uv run pytest --cov-report term --cov=cs3client tests/
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..149b253
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,40 @@
+[build-system]
+requires = ["hatchling==1.33.0"]
+build-backend = "hatchling.build"
+
+[project]
+name = "cs3client"
+description = "CS3 client for Python"
+version = "1.8.0"
+authors = [
+    { name = "Rasmus Welander" },
+    { name = "Diogo Castro" },
+    { name = "Giuseppe Lo Presti" },
+]
+readme = "README.md"
+license = { file = "LICENSE" }
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "Operating System :: OS Independent",
+]
+requires-python = ">=3.10"
+dependencies = [
+    "grpcio>=1.47.0",
+    "grpcio-tools>=1.47.0",
+    "pyOpenSSL",
+    "requests",
+    "cs3apis>=0.1.dev101",
+    "PyJWT",
+    "protobuf",
+    "cryptography",
+]
+
+[project.urls]
+Homepage = "https://github.com/cs3org/cs3-python-client"
+GitHub = "https://github.com/cs3org/cs3-python-client"
+
+[dependency-groups]
+dev = ["pytest", "pytest-cov", "sphinx"]
+
+[tool.hatch.build.targets.wheel]
+packages = ["cs3client"]
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 83cce73..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-grpcio>=1.47.0
-grpcio-tools>=1.47.0
-pyOpenSSL
-requests
-cs3apis>=0.1.dev101
-PyJWT
-protobuf
-cryptography
-sphinx
\ No newline at end of file
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 2dd693a..0000000
--- a/setup.py
+++ /dev/null
@@ -1,49 +0,0 @@
-"""
-setup.py
-
-setup file for the cs3client package.
-
-Authors: Rasmus Welander, Diogo Castro, Giuseppe Lo Presti.
-Emails: rasmus.oscar.welander@cern.ch, diogo.castro@cern.ch, giuseppe.lopresti@cern.ch
-Last updated: 30/08/2024
-"""
-
-from setuptools import setup, find_packages
-import os
-
-with open("README.md", "r") as fh:
-    long_description = fh.read()
-
-version = os.getenv("PACKAGE_VERSION", "0.0.0")
-
-setup(
-    name="cs3client",
-    version=version,
-    author="Rasmus Welander, Diogo Castro, Giuseppe Lo Presti",
-    description="CS3 client for Python",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    packages=find_packages(exclude=['tests*']),
-    url="https://github.com/cs3org/cs3-python-client",
-    install_requires=[
-        "grpcio>=1.47.0",
-        "grpcio-tools>=1.47.0",
-        "pyOpenSSL",
-        "requests",
-        "cs3apis",
-        "PyJWT",
-        "protobuf",
-        "cryptography",
-    ],
-    license="Apache 2.0",
-    classifiers=[
-        "Development Status :: 4 - Beta",
-        "License :: OSI Approved :: Apache Software License",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Operating System :: OS Independent",
-    ],
-)