diff --git a/docs/pyproject.toml b/docs/pyproject.toml
index 728b49268bea5..97fc6662e383e 100644
--- a/docs/pyproject.toml
+++ b/docs/pyproject.toml
@@ -9,6 +9,6 @@ dependencies = [
   "myst-parser>=5.1.0,<6",
   "maturin>=1.14.1,<2",
   "jinja2>=3.1.6,<4",
-  "setuptools>=84.2.0,<85",
+  "setuptools>=84.2.1,<85",
   "sphinx-sitemap>=2.9.0,<3",
 ]
diff --git a/uv.lock b/uv.lock
index 2373140664c0e..7c88417e0bf4e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -350,7 +350,7 @@ requires-dist = [
     { name = "maturin", specifier = ">=1.14.1,<2" },
     { name = "myst-parser", specifier = ">=5.1.0,<6" },
     { name = "pydata-sphinx-theme", specifier = ">=0.23.0,<1" },
-    { name = "setuptools", specifier = ">=84.2.0,<85" },
+    { name = "setuptools", specifier = ">=84.2.1,<85" },
     { name = "sphinx", specifier = ">=9,<10" },
     { name = "sphinx-reredirects", specifier = ">=1.1,<2" },
     { name = "sphinx-sitemap", specifier = ">=2.9.0,<3" },
@@ -943,11 +943,11 @@ wheels = [
 
 [[package]]
 name = "setuptools"
-version = "84.2.0"
+version = "84.2.1"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/63/40/e2c41d00a4bfea5548c31420a74c6cf149cc0e7c36b45c4c82202ce867aa/setuptools-84.2.0.tar.gz", hash = "sha256:6f445ca2ce864605f81e223f262b4c94ffcb9a4a63473bae0ed7be5aab0291da", size = 1227656, upload-time = "2026-10-19T20:38:03.407Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/70/b3/c19426f783614d625699a4b247faf628ea9ab1db228674491767b417f9e1/setuptools-84.2.1.tar.gz", hash = "sha256:3ff8b3b5492a0aa66960f4419365a86b84e013070d4313e4d4a6894f5d64d6bc", size = 1230289, upload-time = "2026-10-20T19:01:37.742Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/dd/a2/2e1af99d56c8145aa69496026c7e5fd7b6ec759b500c3ad697e2062832dc/setuptools-84.2.0-py3-none-any.whl", hash = "sha256:8cc107ac7a403105dc8d6477664171f36135fab26adf8b5e0edaebc313f39b21", size = 875816, upload-time = "2026-10-19T20:38:01.629Z" },
+    { url = "https://files.pythonhosted.org/packages/ef/55/6dc6d6bb953bdfc52519a0059592c52b6e3b8ad51cf8256dffceb55b0610/setuptools-84.2.1-py3-none-any.whl", hash = "sha256:ca140b45d5325a9478f880e351484f62fef15f336462e449ca0c03c873d589c2", size = 876263, upload-time = "2026-10-20T19:01:35.678Z" },
 ]
 
 [[package]]