diff --git a/pkgs/sage-setup/pyproject.toml b/pkgs/sage-setup/pyproject.toml
new file mode 100644
index 00000000000..d78af87f37d
--- /dev/null
+++ b/pkgs/sage-setup/pyproject.toml
@@ -0,0 +1,48 @@
+[build-system]
+requires = ["setuptools>=61.2"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "sage-setup"
+description = "Sage: Open Source Mathematics Software: Build system of the Sage library"
+license = {text = "GNU General Public License (GPL) v2 or later"}
+authors = [{name = "The Sage Developers", email = "sage-support@googlegroups.com"}]
+classifiers = [
+    "Development Status :: 6 - Mature",
+    "Intended Audience :: Education",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)",
+    "Operating System :: POSIX",
+    "Operating System :: MacOS :: MacOS X",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Topic :: Scientific/Engineering :: Mathematics",
+]
+urls = {Homepage = "https://www.sagemath.org"}
+requires-python = ">=3.8, <3.12"
+dependencies = [
+    "pkgconfig",
+    "jinja2",
+]
+dynamic = ["version"]
+
+[project.readme]
+file = "README.rst"
+content-type = "text/x-rst"
+
+[tool.setuptools]
+packages = [
+    "sage_setup",
+    "sage_setup.autogen",
+    "sage_setup.autogen.interpreters",
+    "sage_setup.autogen.interpreters.specs",
+    "sage_setup.command",
+]
+include-package-data = false
+
+[tool.setuptools.dynamic]
+version = {file = ["VERSION.txt"]}
diff --git a/pkgs/sage-setup/setup.cfg b/pkgs/sage-setup/setup.cfg
deleted file mode 100644
index 5d7f440e7c6..00000000000
--- a/pkgs/sage-setup/setup.cfg
+++ /dev/null
@@ -1,39 +0,0 @@
-[metadata]
-name = sage-setup
-version = file: VERSION.txt
-description = Sage: Open Source Mathematics Software: Build system of the Sage library
-long_description = file: README.rst
-long_description_content_type = text/x-rst
-license = GNU General Public License (GPL) v2 or later
-author = The Sage Developers
-author_email = sage-support@googlegroups.com
-url = https://www.sagemath.org
-
-classifiers =
-    Development Status :: 6 - Mature
-    Intended Audience :: Education
-    Intended Audience :: Science/Research
-    License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)
-    Operating System :: POSIX
-    Operating System :: MacOS :: MacOS X
-    Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Programming Language :: Python :: Implementation :: CPython
-    Topic :: Scientific/Engineering :: Mathematics
-
-[options]
-packages =
-    sage_setup
-    sage_setup.autogen
-    sage_setup.autogen.interpreters
-    sage_setup.autogen.interpreters.specs
-    sage_setup.command
-
-python_requires = >=3.8, <3.12
-
-install_requires =
-    pkgconfig
-    jinja2