diff --git a/dask-gateway-server/pyproject.toml b/dask-gateway-server/pyproject.toml
index 8054819d..9cc879ac 100644
--- a/dask-gateway-server/pyproject.toml
+++ b/dask-gateway-server/pyproject.toml
@@ -1,24 +1,28 @@
 [build-system]
 requires = [
-    # setuptools is pinned to 63 because 64+ has introduced the "editable_wheel"
-    # command to replace the "develop" command, and that doesn't respect
-    # package_data config. We rely on that to get our golang built proxy
-    # accessible currently!
+    # FIXME: dask-gateway-server's editable install is broken with setuptools
+    #        64+ that introduced the "editable_wheel" command to replace the
+    #        "develop" command, and that doesn't respect package_data config. We
+    #        rely on that to get our golang built proxy accessible currently!
     #
-    # Message when using "setuptools>=64" during "pip install --editable .":
+    #        At the same time, setuptools 63 and older doesn't support Python
+    #        3.12, so we end up with a broken editable install in Python 3.12
+    #        until this is resolved.
     #
-    #     Editable install will be performed using a meta path finder.
+    #        Message when using "setuptools>=64" during "pip install --editable .":
     #
-    #     Options like `package-data`, `include/exclude-package-data` or
-    #     `packages.find.exclude/include` may have no effect.
+    #            Editable install will be performed using a meta path finder.
     #
-    # The problematic result is that we end up without a golang binary in
-    # dask_gateway_server/proxy/dask-gateway-proxy.
+    #            Options like `package-data`, `include/exclude-package-data` or
+    #            `packages.find.exclude/include` may have no effect.
     #
-    # This is tracked in https://github.com/dask/dask-gateway/issues/740 and can
-    # be discussed further there.
+    #        The problematic result is that we end up without a golang binary in
+    #        dask_gateway_server/proxy/dask-gateway-proxy.
     #
-    "setuptools==63.*",
+    #        This is tracked in https://github.com/dask/dask-gateway/issues/740
+    #
+    'setuptools==63.* ; python_version < "3.12"',
+    'setuptools==69.* ; python_version >= "3.12"',
     "wheel",
 ]
 build-backend = "setuptools.build_meta"
diff --git a/dask-gateway-server/setup.py b/dask-gateway-server/setup.py
index a6cb0e4a..4758d721 100644
--- a/dask-gateway-server/setup.py
+++ b/dask-gateway-server/setup.py
@@ -227,7 +227,7 @@ def run(self):
     maintainer_email="jcristharif@gmail.com",
     license="BSD",
     classifiers=[
-        "Development Status :: 4 - Beta",
+        "Development Status :: 5 - Production/Stable",
         "License :: OSI Approved :: BSD License",
         "Intended Audience :: Developers",
         "Intended Audience :: Science/Research",
@@ -236,9 +236,6 @@ def run(self):
         "Topic :: System :: Distributed Computing",
         "Topic :: System :: Systems Administration",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: 3.11",
     ],
     keywords="dask hadoop kubernetes HPC distributed cluster",
     description=(
diff --git a/dask-gateway/setup.py b/dask-gateway/setup.py
index f567bba7..069e0f09 100644
--- a/dask-gateway/setup.py
+++ b/dask-gateway/setup.py
@@ -33,9 +33,6 @@
         "Topic :: Scientific/Engineering",
         "Topic :: System :: Distributed Computing",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: 3.11",
     ],
     keywords="dask hadoop kubernetes HPC distributed cluster",
     description="A client library for interacting with a dask-gateway server",
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 9cccc91a..398c33e6 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -25,4 +25,6 @@ sphinx-autobuild
 #
 autodoc-traits
 --editable="./dask-gateway"
---editable="./dask-gateway-server[all_backends]"
+# FIXME: See dask-gateway-server's pyproject.toml for more info why this isn't
+#        installed with --editable.
+./dask-gateway-server[all_backends]
diff --git a/pyproject.toml b/pyproject.toml
index cdfa448d..8902421f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,6 +16,7 @@ target_version = [
     "py39",
     "py310",
     "py311",
+    "py312",
 ]
 
 
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 437d516b..9f1d1e45 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -26,7 +26,9 @@ pytest-timeout
 # dask-gateway and dask-gateway-server and all their dependencies are assumed to
 # be installed.
 --editable="./dask-gateway"
---editable="./dask-gateway-server[all_backends]"
+# FIXME: See dask-gateway-server's pyproject.toml for more info why this isn't
+#        installed with --editable.
+./dask-gateway-server[all_backends]
 
 # ipython and ipywidget is optional integrations allowing for fancy rendering of
 # end user provided configuration options. Tests in test_options.py will be