diff --git a/.gitignore b/.gitignore
index 43f58abcafe..0f180bb1bcb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -193,6 +193,7 @@ build/bin/sage-build-env-config
 /pkgs/*/*.egg-info
 /pkgs/*/.tox
 
+/pkgs/sage-conf/pyproject.toml
 /pkgs/sage-conf_pypi/sage_root/config.log
 /pkgs/sage-conf_pypi/sage_root/config.status
 /pkgs/sage-conf_pypi/sage_root/local/
diff --git a/build/pkgs/sage_conf/bootstrap b/build/pkgs/sage_conf/bootstrap
new file mode 120000
index 00000000000..40542346a4e
--- /dev/null
+++ b/build/pkgs/sage_conf/bootstrap
@@ -0,0 +1 @@
+../sagelib/bootstrap
\ No newline at end of file
diff --git a/build/pkgs/sage_conf/dependencies b/build/pkgs/sage_conf/dependencies
index f2bd00aaf0d..a202ce81bba 100644
--- a/build/pkgs/sage_conf/dependencies
+++ b/build/pkgs/sage_conf/dependencies
@@ -1 +1 @@
- $(SAGE_ROOT)/pkgs/sage-conf/_sage_conf/_conf.py $(SAGE_ROOT)/pkgs/sage-conf/setup.cfg $(SAGE_ROOT)/pkgs/sage-conf/bin/sage-env-config | $(PYTHON_TOOLCHAIN) $(PYTHON)
+ $(SAGE_ROOT)/pkgs/sage-conf/_sage_conf/_conf.py $(SAGE_ROOT)/pkgs/sage-conf/pyproject.toml $(SAGE_ROOT)/pkgs/sage-conf/bin/sage-env-config | $(PYTHON_TOOLCHAIN) $(PYTHON)
diff --git a/pkgs/sage-conf/.gitignore b/pkgs/sage-conf/.gitignore
index 2fff1627b9f..a495951e529 100644
--- a/pkgs/sage-conf/.gitignore
+++ b/pkgs/sage-conf/.gitignore
@@ -1,4 +1,6 @@
 /_sage_conf/_conf.py
+/setup.cfg
+/pyproject.toml
 /build
 /dist
 /*.egg-info
diff --git a/pkgs/sage-conf/pyproject.toml b/pkgs/sage-conf/pyproject.toml
deleted file mode 100644
index 9787c3bdf00..00000000000
--- a/pkgs/sage-conf/pyproject.toml
+++ /dev/null
@@ -1,3 +0,0 @@
-[build-system]
-requires = ["setuptools", "wheel"]
-build-backend = "setuptools.build_meta"
diff --git a/pkgs/sage-conf/pyproject.toml.m4 b/pkgs/sage-conf/pyproject.toml.m4
new file mode 100644
index 00000000000..fdb69238bde
--- /dev/null
+++ b/pkgs/sage-conf/pyproject.toml.m4
@@ -0,0 +1,44 @@
+include(`sage_spkg_versions_toml.m4')dnl' -*- conf-toml -*-
+[build-system]
+requires = [
+    SPKG_INSTALL_REQUIRES_setuptools
+]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "sage-conf"
+description = "Sage: Open Source Mathematics Software: Configuration module for the SageMath library"
+readme = "README.rst"
+dnl Not including the standard metadata from pyproject_toml_metadata.m4
+dnl because sage-conf is GPL v3+.
+license = {text = "GNU General Public License (GPL) v3 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 :: 3.9",
+    "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 = ">=3.9, <3.12"
+dynamic = ["version"]
+
+[project.scripts]
+sage-config = "sage_conf:_main"
+
+[tool.setuptools]
+packages = ["_sage_conf"]
+py-modules = ["sage_conf"]
+script-files = ["bin/sage-env-config"]
+include-package-data = false
+
+[tool.setuptools.dynamic]
+version = {file = ["VERSION.txt"]}
diff --git a/pkgs/sage-conf/setup.cfg b/pkgs/sage-conf/setup.cfg
deleted file mode 100644
index dac401c303d..00000000000
--- a/pkgs/sage-conf/setup.cfg
+++ /dev/null
@@ -1,23 +0,0 @@
-[metadata]
-name = sage-conf
-version = file: VERSION.txt
-description = Sage: Open Source Mathematics Software: Configuration module for the SageMath library
-long_description = file: README.rst
-license = GNU General Public License (GPL) v3 or later
-author = The Sage Developers
-author_email = sage-support@googlegroups.com
-url = https://www.sagemath.org
-
-[options]
-packages =
-    _sage_conf
-
-py_modules =
-    sage_conf
-
-scripts =
-    bin/sage-env-config
-
-[options.entry_points]
-console_scripts =
-    sage-config = sage_conf:_main
diff --git a/pkgs/sage-conf_conda/setup.cfg b/pkgs/sage-conf_conda/setup.cfg
deleted file mode 120000
index 93df2c80a4b..00000000000
--- a/pkgs/sage-conf_conda/setup.cfg
+++ /dev/null
@@ -1 +0,0 @@
-../sage-conf/setup.cfg
\ No newline at end of file
diff --git a/pkgs/sage-conf_pypi/setup.cfg b/pkgs/sage-conf_pypi/setup.cfg
deleted file mode 120000
index 93df2c80a4b..00000000000
--- a/pkgs/sage-conf_pypi/setup.cfg
+++ /dev/null
@@ -1 +0,0 @@
-../sage-conf/setup.cfg
\ No newline at end of file