diff --git a/pyproject.toml b/pyproject.toml
index 2a38d6bc..e52bf850 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,59 @@
 [build-system]
 requires = ["pbr>=6.1.1"]
 build-backend = "pbr.build"
+
+[project]
+name = "oslo.cache"
+description = "Cache storage for OpenStack projects."
+authors = [
+    {name = "OpenStack", email = "openstack-discuss@lists.openstack.org"},
+]
+readme = {file = "README.rst", content-type = "text/x-rst"}
+license = {text = "Apache-2.0"}
+dynamic = ["version", "dependencies"]
+requires-python = ">=3.10"
+classifiers = [
+  "Environment :: OpenStack",
+  "Intended Audience :: Information Technology",
+  "Intended Audience :: System Administrators",
+  "License :: OSI Approved :: Apache Software License",
+  "Operating System :: POSIX :: Linux",
+  "Programming Language :: Python",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
+]
+
+[project.urls]
+Homepage = "https://docs.openstack.org/oslo.cache"
+Repository = "https://opendev.org/openstack/oslo.cache"
+
+[project.optional-dependencies]
+dogpile = [
+    "python-memcached>=1.56", # PSF
+    "pymemcache>=3.5.0", # Apache-2.0
+    "python-binary-memcached>=0.29.0", # MIT
+    "redis>=3.0.0", # MIT
+]
+mongo = [
+    "pymongo>=3.0.2", # Apache-2.0
+]
+etcd3gw = [
+    "etcd3gw>=0.2.0", # Apache-2.0
+]
+
+[project.entry-points."oslo.config.opts"]
+"oslo.cache" = "oslo_cache._opts:list_opts"
+
+[project.entry-points."dogpile.cache"]
+"oslo_cache.mongo" = "oslo_cache.backends.mongo:MongoCacheBackend"
+"oslo_cache.memcache_pool" = "oslo_cache.backends.memcache_pool:PooledMemcachedBackend"
+"oslo_cache.dict" = "oslo_cache.backends.dictionary:DictCacheBackend"
+"oslo_cache.etcd3gw" = "oslo_cache.backends.etcd3gw:Etcd3gwCacheBackend"
+
+[tool.setuptools]
+packages = [
+    "oslo_cache"
+]
diff --git a/setup.cfg b/setup.cfg
index 319c3909..29727152 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,47 +1,2 @@
 [metadata]
 name = oslo.cache
-summary = Cache storage for OpenStack projects.
-description_file =
-    README.rst
-author = OpenStack
-author_email = openstack-discuss@lists.openstack.org
-home_page = https://docs.openstack.org/oslo.cache/latest
-python_requires = >=3.10
-classifier =
-    Environment :: OpenStack
-    Intended Audience :: Information Technology
-    Intended Audience :: System Administrators
-    License :: OSI Approved :: Apache Software License
-    Operating System :: POSIX :: Linux
-    Programming Language :: Python
-    Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Programming Language :: Python :: 3.12
-    Programming Language :: Python :: 3.13
-
-[files]
-packages =
-    oslo_cache
-
-[entry_points]
-oslo.config.opts =
-    oslo.cache = oslo_cache._opts:list_opts
-
-dogpile.cache =
-    oslo_cache.mongo = oslo_cache.backends.mongo:MongoCacheBackend
-    oslo_cache.memcache_pool = oslo_cache.backends.memcache_pool:PooledMemcachedBackend
-    oslo_cache.dict = oslo_cache.backends.dictionary:DictCacheBackend
-    oslo_cache.etcd3gw = oslo_cache.backends.etcd3gw:Etcd3gwCacheBackend
-
-[extras]
-dogpile =
-  python-memcached>=1.56 # PSF
-  pymemcache>=3.5.0 # Apache-2.0
-  python-binary-memcached>=0.29.0 # MIT
-  redis>=3.0.0 # MIT
-mongo =
-  pymongo>=3.0.2 # Apache-2.0
-etcd3gw =
-  etcd3gw>=0.2.0 # Apache-2.0