diff --git a/pyproject.toml b/pyproject.toml
index a6cf325..26cfc2c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ dev = [
   "jsonschema==4.26.0",
   "pyright==1.1.414",
   "ruff==0.16.8",
-  "pylint==4.0.8",
+  "pylint==4.0.9",
   "pip-audit==2.10.1",
   "twine==7.0.0",
 ]
diff --git a/uv.lock b/uv.lock
index 13c1f6f..907117f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -458,7 +458,7 @@ dev = [
     { name = "opentelemetry-exporter-otlp-proto-grpc", specifier = "==1.44.0" },
     { name = "opentelemetry-sdk", specifier = "==1.44.0" },
     { name = "pip-audit", specifier = "==2.10.1" },
-    { name = "pylint", specifier = "==4.0.8" },
+    { name = "pylint", specifier = "==4.0.9" },
     { name = "pyright", specifier = "==1.1.414" },
     { name = "pytest", specifier = "==9.1.1" },
     { name = "pytest-httpserver", specifier = "==1.1.5" },
@@ -1279,7 +1279,7 @@ wheels = [
 
 [[package]]
 name = "pylint"
-version = "4.0.8"
+version = "4.0.9"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "astroid" },
@@ -1290,9 +1290,9 @@ dependencies = [
     { name = "platformdirs" },
     { name = "tomlkit" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/5c/2e/424cbfcb3af792a6b7da6e5c640de463b98c8d3a49fbd8882f38e83d4232/pylint-4.0.8.tar.gz", hash = "sha256:1c1b2128bde5ff5e966801413080b6384d42a5782718d528c906dbb6beab94ed", size = 1599177, upload-time = "2026-08-29T12:21:59.188Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/e0/5e/d5ec2c861010cf8577a3e5baaf2405fdf1004f1657d9245c4efb006c1dfd/pylint-4.0.9.tar.gz", hash = "sha256:6f1305780229ae720e89b8aff2b3ff857cbb268fbab98c8b586960267667ad34", size = 1604187, upload-time = "2026-09-23T15:26:43.144Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/2b/ea/9b601859afa055afe659ffe55abdfed6e5f17e17a840d9cd61c54ac89c02/pylint-4.0.8-py3-none-any.whl", hash = "sha256:3341c08c0aabaa4adc71516de0969f3ba5c692b56c75af4dcb4d242823fbe363", size = 540709, upload-time = "2026-08-29T12:21:57.392Z" },
+    { url = "https://files.pythonhosted.org/packages/66/46/12e94ae1f9db89152223bdb17920b12c79e94ac51e19dce1da9fb63627b0/pylint-4.0.9-py3-none-any.whl", hash = "sha256:c4ba5bbaf1e70ecf05f08cd7d6091ea04824b79a2b2d9f5b10dc25fc34cb1124", size = 542068, upload-time = "2026-09-23T15:26:41.626Z" },
 ]
 
 [[package]]