diff --git a/.github/workflows/_build-package.yml b/.github/workflows/_build-package.yml
index b468257..8c565d0 100644
--- a/.github/workflows/_build-package.yml
+++ b/.github/workflows/_build-package.yml
@@ -10,11 +10,11 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with: 
-          python-version: 3.13
-      - name: Install build dependencies
-        run: pip install --no-cache-dir -U pip . build twine
+          python-version: 3.14
+      - name: Install dependencies
+        run: pip install --no-cache-dir -U pip .['dev']
       - name: Build package
-        run: python -m build --sdist --wheel
+        run: nox --session=build
       - name: Upload built distributions
         uses: actions/upload-artifact@v4
         with:
diff --git a/.github/workflows/_static-checks.yml b/.github/workflows/_static-checks.yml
index e31eb1c..dda13eb 100644
--- a/.github/workflows/_static-checks.yml
+++ b/.github/workflows/_static-checks.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
@@ -15,10 +15,14 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
-        run: pip install --no-cache-dir -U pip . black flake8 bandit
-      - name: Lint check with flake8
-        run: flake8 cortexutils/ tests/ setup.py
-      - name: Format check with black
-        run: black --check cortexutils/ tests/ setup.py
+        run: pip install --no-cache-dir -U pip .['dev']
+      - name: Style check with ruff
+        run: nox --session=style
+      - name: Format check with ruff
+        run: nox --session=format
+      - name: Type check with mypy
+        run: nox --session=type
+      - name: CVE check with pip-audit
+        run: nox --session=cve
       - name: Security check with bandit
-        run: bandit -r cortexutils/
+        run: nox --session=security
\ No newline at end of file
diff --git a/.github/workflows/_unit-tests.yml b/.github/workflows/_unit-tests.yml
index 7b2eed4..5f9f748 100644
--- a/.github/workflows/_unit-tests.yml
+++ b/.github/workflows/_unit-tests.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
@@ -15,6 +15,6 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
-        run: pip install --no-cache-dir -U pip .
+        run: pip install --no-cache-dir -U pip .['dev']
       - name: Run unit tests
-        run: python -m unittest --verbose
+        run: nox --session=test
diff --git a/.github/workflows/_upload-package.yml b/.github/workflows/_upload-package.yml
index 89073fd..89618d5 100644
--- a/.github/workflows/_upload-package.yml
+++ b/.github/workflows/_upload-package.yml
@@ -10,14 +10,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Compare tag and package version
-        run: |
-          TAG=${GITHUB_REF#refs/*/}
-          VERSION=$(grep -Po '(?<=version=")[^"]*' setup.py)
-          if [ "$TAG" != "$VERSION" ]; then
-            echo "Tag value and package version are different: ${TAG} != ${VERSION}"
-            exit 1
-          fi
       - name: Download built distributions
         uses: actions/download-artifact@v4
         with:
@@ -26,12 +18,12 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with: 
-          python-version: 3.13
-      - name: Install build dependencies
-        run: pip install --no-cache-dir -U pip . twine
+          python-version: 3.14
+      - name: Install dependencies
+        run: pip install --no-cache-dir -U pip .['dev']
       - name: Upload to PyPI
-        run: twine upload dist/*
+        run: nox --session=upload
         env:
           TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
           TWINE_USERNAME: __token__
-          TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
+          TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
\ No newline at end of file
diff --git a/cortexutils/analyzer.py b/cortexutils/analyzer.py
index 9136224..bad3669 100644
--- a/cortexutils/analyzer.py
+++ b/cortexutils/analyzer.py
@@ -10,7 +10,6 @@
 
 
 class Analyzer(Worker):
-
     def __init__(self, job_directory=None, secret_phrases=None):
         Worker.__init__(self, job_directory, secret_phrases)
 
diff --git a/cortexutils/extractor.py b/cortexutils/extractor.py
index d5ef5b0..73440e6 100644
--- a/cortexutils/extractor.py
+++ b/cortexutils/extractor.py
@@ -11,7 +11,7 @@ class Extractor:
     """The extractor class tries to detect ioc attribute types using regex-matching.
 
     Two functions are provided:
-      - ``check_string(str)`` which checks a string for a regex matc
+      - ``check_string(str)`` which checks a string for a regex match
         and just returns the type
       - ``check_iterable(itr)`` that iterates over a list or a dictionary
         and returns a list of {type, value} dicts
diff --git a/cortexutils/responder.py b/cortexutils/responder.py
index f9ded69..69ebdf0 100644
--- a/cortexutils/responder.py
+++ b/cortexutils/responder.py
@@ -5,7 +5,6 @@
 
 
 class Responder(Worker):
-
     def __init__(self, job_directory=None, secret_phrases=None):
         Worker.__init__(self, job_directory, secret_phrases)
 
@@ -21,7 +20,7 @@ def get_data(self):
     def report(self, full_report, ensure_ascii=False):
         """Returns a json dict via stdout.
 
-        :param full_report: Responsder results as dict.
+        :param full_report: Responder results as dict.
         :param ensure_ascii: Force ascii output. Default: False"""
 
         operation_list = []
diff --git a/cortexutils/worker.py b/cortexutils/worker.py
index cc2bcba..b4001e3 100644
--- a/cortexutils/worker.py
+++ b/cortexutils/worker.py
@@ -36,7 +36,7 @@ def __init__(self, job_directory, secret_phrases):
             if not sys.stdin.isatty():
                 self._input = json.load(sys.stdin)
             else:
-                self.error("Input file doesn" "t exist")
+                self.error("Input file doesn't exist")
 
         # Set parameters
         self.data_type = self.get_param("dataType", None, "Missing dataType field")
@@ -185,7 +185,7 @@ def get_env(self, key, default=None, message=None):
     def error(self, message, ensure_ascii=False):
         """Stop analyzer with an error message.
 
-        Changing ensure_ascii can be helpful when stucking with ascii <-> utf-8 issues.
+        Changing ensure_ascii can be helpful when stuck with ascii <-> utf-8 issues.
         Additionally, the input as returned, too.
         Maybe helpful when dealing with errors.
 
diff --git a/noxfile.py b/noxfile.py
new file mode 100644
index 0000000..8374f16
--- /dev/null
+++ b/noxfile.py
@@ -0,0 +1,78 @@
+import os
+
+import nox
+
+PROJECT_DIR = os.path.dirname(__file__)
+CORTEXUTILS_DIR = os.path.join(PROJECT_DIR, "cortexutils/")
+TESTS_DIR = os.path.join(PROJECT_DIR, "tests/")
+
+nox.options.default_venv_backend = "none"
+nox.options.keywords = "ci and not test"
+
+
+@nox.session(tags=["ci", "lint"])
+def style(session: nox.Session):
+    """Run style checks with ruff."""
+    session.run("ruff", "check", CORTEXUTILS_DIR, TESTS_DIR, __file__)
+
+
+@nox.session(tags=["ci", "lint"])
+def format(session: nox.Session):
+    """Run format checks with ruff."""
+    session.run("ruff", "format", "--check", CORTEXUTILS_DIR, TESTS_DIR, __file__)
+
+
+@nox.session(tags=["ci", "lint"])
+def type(session: nox.Session):
+    """Run type checks with mypy."""
+    session.run("mypy", "--install-types", "--non-interactive", CORTEXUTILS_DIR)
+
+
+@nox.session(tags=["ci", "audit"])
+def cve(session: nox.Session):
+    """Run cve checks with pip-audit."""
+    session.run("pip-audit", PROJECT_DIR)
+
+
+@nox.session(tags=["ci", "audit"])
+def security(session: nox.Session):
+    """Run security checks with bandit."""
+    session.run("bandit", "-r", CORTEXUTILS_DIR)
+
+
+@nox.session(tags=["ci", "test"])
+def test(session: nox.Session):
+    """Run unit tests with pytest."""
+
+    if not session.posargs:
+        session.run("pytest", "-v", "--cov")
+    else:
+        session.run("pytest", *session.posargs)
+
+
+@nox.session(tags=["cd", "build"])
+def build(session: nox.Session):
+    """Build with the build module."""
+    session.run("rm", "-rf", "build/", "dist/")
+    session.run("python", "-m", "build", "--sdist", "--wheel")
+
+
+@nox.session(tags=["cd", "upload"])
+def upload(session: nox.Session):
+    """Upload to PyPI using twine."""
+
+    session.run(
+        "bash",
+        "-c",
+        r"""
+        TAG=${GITHUB_REF#refs/*/}
+        VERSION=$(grep -Po '(?<=version = ")[^"]*' pyproject.toml)
+        if [ "$TAG" != "$VERSION" ]; then
+          echo "Tag value and package version are different: ${TAG} != ${VERSION}"
+          exit 1
+        else
+          echo "Matching tag value and package version!"
+        fi
+        """,
+    )
+    session.run("twine", "upload", "dist/*")
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..8ed0e73
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,49 @@
+[build-system]
+requires = ["setuptools", "setuptools-scm"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "cortexutils"
+version = "2.3.0"
+description = "A Python library for including utility classes for Cortex analyzers and responders"
+readme = "README"
+requires-python = ">=3.10"
+dependencies = []
+license = "AGPL-3.0-or-later"
+keywords = ["cortex", "analyzer", "responder", "thehive"]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Information Technology",
+    "Intended Audience :: Science/Research",
+    "Natural Language :: English",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "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 :: Security",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+]
+authors = [{ name = "TheHive-Project", email = "support@thehive-project.org" }]
+
+[project.urls]
+Homepage = "https://github.com/TheHive-Project/cortexutils"
+
+[project.optional-dependencies]
+audit = ["bandit", "pip-audit"]
+build = ["build", "twine"]
+lint = ["mypy", "ruff", "pre-commit"]
+test = ["pytest", "pytest-cov"]
+dev = ["cortexutils[audit, lint, test, build]", "nox"]
+
+[tool.setuptools.packages.find]
+include = ["cortexutils*"]
+
+[tool.coverage.run]
+omit = ["tests/*"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 8682720..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-[flake8]
-max-line-length=88
\ No newline at end of file
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 67425db..0000000
--- a/setup.py
+++ /dev/null
@@ -1,36 +0,0 @@
-from setuptools import setup
-
-setup(
-    name="cortexutils",
-    version="2.2.1",
-    description=(
-        "A Python library for including utility classes for "
-        "Cortex analyzers and responders"
-    ),
-    long_description=open("README").read(),
-    author="TheHive-Project",
-    author_email="support@thehive-project.org",
-    license="AGPL-V3",
-    url="https://github.com/TheHive-Project/Cortex-Analyzers/tree/master/contrib",
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "Intended Audience :: Developers",
-        "Intended Audience :: Information Technology",
-        "Intended Audience :: Science/Research",
-        "License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)",  # noqa
-        "Natural Language :: English",
-        "Operating System :: OS Independent",
-        "Programming Language :: Python",
-        "Topic :: Security",
-        "Topic :: Software Development :: Libraries :: Python Modules",
-    ],
-    py_modules=[
-        "future",
-        "cortexutils.worker",
-        "cortexutils.analyzer",
-        "cortexutils.responder",
-        "cortexutils.extractor",
-    ],
-    install_requires=[],
-    test_suite="tests",
-)
diff --git a/tests/test_suite_analyzer.py b/tests/test_suite_analyzer.py
index 384ab4c..826a3af 100644
--- a/tests/test_suite_analyzer.py
+++ b/tests/test_suite_analyzer.py
@@ -26,7 +26,6 @@ def load_test_fixture(fixture_path):
 
 
 class TestMinimalConfig(unittest.TestCase):
-
     def setUp(self):
         load_test_fixture("fixtures/test-minimal-config.json")
         self.analyzer = Analyzer()
@@ -49,7 +48,6 @@ def test_params_data(self):
 
 
 class TestProxyConfig(unittest.TestCase):
-
     def setUp(self):
         load_test_fixture("fixtures/test-proxy-config.json")
         self.analyzer = Analyzer()
@@ -65,7 +63,6 @@ def test_proxy_config(self):
 
 
 class TestTlpConfig(unittest.TestCase):
-
     def setUp(self):
         load_test_fixture("fixtures/test-tlp-config.json")
         self.analyzer = Analyzer()
@@ -97,7 +94,6 @@ def test_check_tlp_ok(self):
 
 
 class TestErrorResponse(unittest.TestCase):
-
     def setUp(self):
         load_test_fixture("fixtures/test-error-response.json")
         self.analyzer = Analyzer()
@@ -133,7 +129,6 @@ def test_error_response(self):
 
 
 class TestReportResponse(unittest.TestCase):
-
     def setUp(self):
         load_test_fixture("fixtures/test-report-response.json")
         self.analyzer = Analyzer()
diff --git a/tests/test_suite_extractor.py b/tests/test_suite_extractor.py
index d24db39..e85eaba 100644
--- a/tests/test_suite_extractor.py
+++ b/tests/test_suite_extractor.py
@@ -2,6 +2,7 @@
 """
 This contains the unit tests for the extractor.
 """
+
 import unittest
 
 from cortexutils.extractor import Extractor