diff --git a/matter_server/client/models/node.py b/matter_server/client/models/node.py
index 66b2c6ef..f8bf274c 100644
--- a/matter_server/client/models/node.py
+++ b/matter_server/client/models/node.py
@@ -223,7 +223,7 @@ def update(self, attributes_data: dict[str, Any]) -> None:
             self.set_attribute_value(attribute_path, attribute_value)
         # extract device types from Descriptor Cluster
         if cluster := self.get_cluster(Clusters.Descriptor):
-            for dev_info in cluster.deviceTypeList:  # type: ignore[unreachable]
+            for dev_info in cluster.deviceTypeList:
                 device_type = DEVICE_TYPES.get(dev_info.deviceType)
                 if device_type is None:
                     LOGGER.debug("Found unknown device type %s", dev_info)
@@ -352,7 +352,7 @@ def update(self, node_data: MatterNodeData) -> None:
                     endpoint.endpoint_id,
                 )
                 continue
-            if descriptor.partsList:  # type: ignore[unreachable]
+            if descriptor.partsList:
                 for endpoint_id in descriptor.partsList:
                     self._composed_endpoints[endpoint_id] = endpoint.endpoint_id
 
diff --git a/pyproject.toml b/pyproject.toml
index 11814376..9288e568 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ test = [
   "aioresponses==0.7.8",
   "codespell==2.4.1",
   "isort==6.0.1",
-  "mypy==1.16.1",
+  "mypy==1.17.0",
   "pre-commit==4.2.0",
   "pre-commit-hooks==5.0.0",
   "pylint==3.3.7",