diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index 3146382f..d0a150ec 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -22,7 +22,16 @@ jobs:
         run: |
           python3 -m pip install --upgrade pip
           python3 -m pip install build
-      - name:
+      - name: Rewrite relative README links to absolute for PyPI
+        run: |
+          python -c "
+          import re, pathlib
+          tag = '${{ github.event.release.tag_name }}'
+          base = 'https://github.com/bmw-software-engineering/trlc/tree/' + tag + '/'
+          readme = pathlib.Path('README.md')
+          readme.write_text(re.sub(r'\]\(\.\/', '](' + base, readme.read_text()))
+          "
+      - name: Build package
         run: |
           make package
       - name: Archive wheel files
diff --git a/pylint3.cfg b/.pylintrc
similarity index 100%
rename from pylint3.cfg
rename to .pylintrc
diff --git a/Makefile b/Makefile
index 78f79416..7af6cd33 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 .PHONY: docs test style lint package
 
 lint: style
-	@python3 -m pylint --rcfile=pylint3.cfg \
+	@python3 -m pylint --rcfile=.pylintrc \
 		--reports=no \
 		trlc trlc*.py lobster-*.py
 
diff --git a/pyproject.toml b/pyproject.toml
index 4c508e50..5536dbae 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,48 @@
+[build-system]
+requires = ["setuptools", "setuptools-scm", "wheel", "toml"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "trlc"
+version = "3.0.1dev"
+description = "Treat Requirements Like Code"
+readme = "README.md"
+requires-python = ">=3.8, <3.15"
+authors = [
+    { name = "Bayerische Motoren Werke Aktiengesellschaft (BMW AG)", email = "philipp.wullstein-kammler@bmw.de" }
+]
+license = "GPL-3.0"
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Console",
+    "Intended Audience :: Developers",
+    "Topic :: Documentation",
+    "Topic :: Software Development"
+]
+
+dependencies = [
+    "pyvcg==1.0.9",
+    "cvc5>=1.3.2",
+    "bigtree"
+]
+
+[project.optional-dependencies]
+dev = [
+    "pycodestyle>=2.12",
+    "coverage>=7.2",
+    "sphinx>=7.0",
+    "build>=1.2.0",
+    "pylint<4.0"
+]
+
+[project.urls]
+documentation = "https://github.com/bmw-software-engineering/trlc#documentation"
+repository = "https://github.com/bmw-software-engineering/trlc"
+tracker = "https://github.com/bmw-software-engineering/trlc/issues"
+
+[project.scripts]
+trlc = "trlc:trlc.main"
+
 [tool.ty.rules]
 # ty is Astral's Python type checker (fast, Rust-based)
 # Add per-rule overrides here as needed, e.g.:
@@ -50,3 +95,9 @@ good-names = ["i", "j", "k", "c", "f", "fd", "zf", "n", "ap", "rv", "mh", "sm",
 
 [tool.pylint.format]
 max-line-length = 88
+
+[tool.setuptools]
+packages = ["trlc"]
+
+[tool.setuptools.package-data]
+trlc = ["pyproject.toml"]
diff --git a/setup.py b/setup.py
deleted file mode 100644
index e43a9176..00000000
--- a/setup.py
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/usr/bin/env python3
-
-import re
-import sys
-import setuptools
-
-from trlc import version
-
-with open("README.md", "r") as fd:
-    long_description = fd.read()
-
-# For the readme to look right on PyPI we need to translate any
-# relative links to absolute links to github.
-fixes = []
-for match in re.finditer(r"\[(.*)\]\((.*)\)", long_description):
-    if not match.group(2).startswith("http"):
-        fixes.append((match.span(0)[0], match.span(0)[1],
-                      "[%s](%s/blob/main/%s)" % (match.group(1),
-                                                 version.GITHUB_PROJECT,
-                                                 match.group(2))))
-
-for begin, end, text in reversed(fixes):
-    long_description = (long_description[:begin] +
-                        text +
-                        long_description[end:])
-
-project_urls = {
-    "Bug Tracker"   : version.BUGS_URL,
-    "Documentation" : version.DOCS_URL,
-    "Source Code"   : version.CODE_URL,
-}
-
-setuptools.setup(
-    name="trlc",
-    version=version.TRLC_VERSION,
-    author="Bayerische Motoren Werke Aktiengesellschaft (BMW AG)",
-    author_email="philipp.wullstein-kammler@bmw.de",
-    description="Treat Requirements Like Code",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    url=project_urls["Source Code"],
-    project_urls=project_urls,
-    license="GNU General Public License v3",
-    packages=setuptools.find_packages(),
-    install_requires="PyVCG[api]==1.0.8",
-    python_requires=">=3.8, <3.15",
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "Environment :: Console",
-        "Intended Audience :: Developers",
-        "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
-        "Topic :: Documentation",
-        "Topic :: Software Development",
-    ],
-    entry_points={
-        "console_scripts": ["trlc = trlc.trlc:main"],
-    },
-)