diff --git a/pyproject.toml b/pyproject.toml
index 9e80c3e3..48468866 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ lint = [
     "pytest>=9.0.3,<10",
     "tenacity>=9.1.4,<10",
     "liccheck==0.9.2",
-    "setuptools<81",  # liccheck 0.9.2 imports pkg_resources, removed in setuptools 81
+    "setuptools<85",  # liccheck 0.9.2 imports pkg_resources, removed in setuptools 81
 ]
 test = [
     "pip>=26.2.2",
diff --git a/uv.lock b/uv.lock
index 46673c7f..068bca65 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 3
+revision = 5
 requires-python = ">=3.10"
 resolution-markers = [
     "python_full_version >= '3.11'",
@@ -152,7 +152,7 @@ lint = [
     { name = "pip", specifier = ">=26.2.2" },
     { name = "pytest", specifier = ">=9.0.3,<10" },
     { name = "ruff", specifier = "~=0.8.4" },
-    { name = "setuptools", specifier = "<81" },
+    { name = "setuptools", specifier = "<85" },
     { name = "tenacity", specifier = ">=9.1.4,<10" },
 ]
 nox = [
@@ -1351,11 +1351,11 @@ wheels = [
 
 [[package]]
 name = "setuptools"
-version = "80.9.0"
+version = "84.1.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/18/5d/3bf57dcd21979b887f014ea83c24ae194cfcd12b9e0fda66b957c69d1fca/setuptools-80.9.0.tar.gz", hash = "sha256:f36b47402ecde768dbfafc46e8e4207b4360c654f1f3bb84475f0a28628fb19c", size = 1319958, upload-time = "2025-05-27T00:56:51.443Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/73/eb/7e5f628ee2eb168fecbf8026de7856b2543d6d609cc85f086b9a91ac93d6/setuptools-84.1.0.tar.gz", hash = "sha256:23657205b63d4d31395ab917815247f694aafad28cd21316bf5fd45a51048ea0", size = 1171783, upload-time = "2026-10-19T20:11:43.489Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/a3/dc/17031897dae0efacfea57dfd3a82fdd2a2aeb58e0ff71b77b87e44edc772/setuptools-80.9.0-py3-none-any.whl", hash = "sha256:062d34222ad13e0cc312a4c02d73f059e86a4acbfbdea8f8f76b28c99f306922", size = 1201486, upload-time = "2025-05-27T00:56:49.664Z" },
+    { url = "https://files.pythonhosted.org/packages/18/02/b4bbb90f8f29e334898ff45c6d9b1fffaa6f378017052b3023a06262b5f7/setuptools-84.1.0-py3-none-any.whl", hash = "sha256:5231689c6ac8156cd155cfb98c3fd6fb252c3e7e9bd3d78b64d3c55f132624c9", size = 819380, upload-time = "2026-10-19T20:11:41.684Z" },
 ]
 
 [[package]]