diff --git a/matter_server/common/helpers/util.py b/matter_server/common/helpers/util.py
index f7b15234..0f70de7f 100644
--- a/matter_server/common/helpers/util.py
+++ b/matter_server/common/helpers/util.py
@@ -283,7 +283,7 @@ def dataclass_from_dict(
         extra_keys = dict_obj.keys() - {f.name for f in dc_fields}
         if extra_keys:
             raise KeyError(
-                f'Extra key(s) {",".join(extra_keys)} not allowed for {str(cls)}'
+                f"Extra key(s) {','.join(extra_keys)} not allowed for {str(cls)}"
             )
     type_hints = cached_type_hints(cls)
     return cls(
diff --git a/pyproject.toml b/pyproject.toml
index 50c759ff..040b0480 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ test = [
   "pytest-asyncio==0.25.2",
   "pytest-aiohttp==1.0.5",
   "pytest-cov==6.0.0",
-  "ruff==0.8.6",
+  "ruff==0.9.1",
   "tomli==2.2.1",
 ]
 
diff --git a/tests/ruff.toml b/tests/ruff.toml
index 83ab9fd7..ea51db73 100644
--- a/tests/ruff.toml
+++ b/tests/ruff.toml
@@ -8,6 +8,6 @@ lint.extend-select = [
 lint.extend-ignore = [
   "S101", # Use of assert detected. As these are tests...
   "SLF001", # Tests will access private/protected members...
-  "TCH002", # pytest doesn't like this one...
+  "TC002", # pytest doesn't like this one...
   "PT012", # annoying with tests
 ]