diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index fa0af01..e117e6b 100755
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -31,7 +31,7 @@ repos:
         # These are duplicated from requirements.txt
         additional_dependencies:
           [
-            homeassistant-stubs==2025.1.0,
+            homeassistant-stubs==2025.1.1,
             types-python-slugify==8.0.0.2,
             voluptuous-stubs==0.1.1,
           ]
diff --git a/custom_components/foxess_modbus/client/custom_modbus_tcp_client.py b/custom_components/foxess_modbus/client/custom_modbus_tcp_client.py
index 95f3be7..37426b9 100644
--- a/custom_components/foxess_modbus/client/custom_modbus_tcp_client.py
+++ b/custom_components/foxess_modbus/client/custom_modbus_tcp_client.py
@@ -36,7 +36,7 @@ def connect(self) -> bool:
     # https://github.com/nathanmarlor/foxess_modbus/issues/275
     def recv(self, size: int | None) -> bytes:
         """Read data from the underlying descriptor."""
-        super(ModbusTcpClient, self).recv(size)
+        super(ModbusTcpClient, self).recv(size)  # type: ignore
         if not self.socket:
             raise ConnectionException(str(self))
 
@@ -73,9 +73,7 @@ def recv(self, size: int | None) -> bytes:
             # We expect a single-element list if this succeeds, or an empty list if it timed out
             if len(poll_res) > 0:
                 if (recv_data := self.socket.recv(recv_size)) == b"":
-                    return self._handle_abrupt_socket_close(  # type: ignore[no-any-return]
-                        size, data, time.time() - time_
-                    )
+                    return self._handle_abrupt_socket_close(size, data, time.time() - time_)
                 data.append(recv_data)
                 data_length += len(recv_data)
             time_ = time.time()
diff --git a/custom_components/foxess_modbus/client/modbus_client.py b/custom_components/foxess_modbus/client/modbus_client.py
index 8b6f01e..53b71b7 100644
--- a/custom_components/foxess_modbus/client/modbus_client.py
+++ b/custom_components/foxess_modbus/client/modbus_client.py
@@ -7,7 +7,6 @@
 from typing import Callable
 from typing import Type
 from typing import TypeVar
-from typing import cast
 
 import serial
 from homeassistant.core import HomeAssistant
@@ -152,7 +151,7 @@ async def read_registers(
                 response,
             )
 
-        return cast(list[int], response.registers)
+        return response.registers
 
     async def write_registers(self, register_address: int, register_values: list[int], slave: int) -> None:
         """Write registers"""
@@ -199,7 +198,7 @@ async def write_registers(self, register_address: int, register_values: list[int
     async def _async_pymodbus_call(self, call: Callable[..., T], *args: Any, auto_connect: bool = True) -> T:
         """Convert async to sync pymodbus call."""
 
-        def _call() -> T:
+        def _call(_: Any) -> T:
             # When using pollserial://, connected calls into serial.serial_for_url, which calls importlib.import_module,
             # which HA doesn't like (see https://github.com/nathanmarlor/foxess_modbus/issues/618).
             # Therefore we need to do this check inside the executor job
diff --git a/custom_components/foxess_modbus/entities/entity_factory.py b/custom_components/foxess_modbus/entities/entity_factory.py
index 3ebe3e4..75bc69d 100644
--- a/custom_components/foxess_modbus/entities/entity_factory.py
+++ b/custom_components/foxess_modbus/entities/entity_factory.py
@@ -6,7 +6,7 @@
 from typing import Sequence
 
 from homeassistant.helpers.entity import Entity
-from homeassistant.helpers.entity import EntityDescription
+from homeassistant.util.frozen_dataclass_compat import FrozenOrThawed
 
 from ..common.entity_controller import EntityController
 from ..common.types import Inv
@@ -19,7 +19,7 @@
 # We need to combine EntityDescription's metaclass with ABC's metaclass, see
 # https://github.com/nathanmarlor/foxess_modbus/issues/480. This is to allow HA to move to frozen entity descriptions
 # (to aid caching), and will start logging deprecation warnings in 2024.x.
-class EntityFactoryMetaclass(type(EntityDescription), type(ABC)):  # type: ignore
+class EntityFactoryMetaclass(FrozenOrThawed, type(ABC)):  # type: ignore
     """
     Metaclass to use for EntityFactory.
     """
diff --git a/custom_components/foxess_modbus/entities/modbus_battery_sensor.py b/custom_components/foxess_modbus/entities/modbus_battery_sensor.py
index 0be1f21..86b0169 100644
--- a/custom_components/foxess_modbus/entities/modbus_battery_sensor.py
+++ b/custom_components/foxess_modbus/entities/modbus_battery_sensor.py
@@ -18,7 +18,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusBatterySensorDescription(ModbusSensorDescription):
+class ModbusBatterySensorDescription(ModbusSensorDescription):  # type: ignore[misc]
     """Description for ModbusBatterySensor"""
 
     bms_connect_state_address: list[ModbusAddressSpec]
diff --git a/custom_components/foxess_modbus/entities/modbus_binary_sensor.py b/custom_components/foxess_modbus/entities/modbus_binary_sensor.py
index 57cce71..e5a4aa0 100644
--- a/custom_components/foxess_modbus/entities/modbus_binary_sensor.py
+++ b/custom_components/foxess_modbus/entities/modbus_binary_sensor.py
@@ -25,7 +25,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusBinarySensorDescription(BinarySensorEntityDescription, EntityFactory):
+class ModbusBinarySensorDescription(BinarySensorEntityDescription, EntityFactory):  # type: ignore[misc, override]
     """Description for ModbusBinarySensor"""
 
     address: list[InverterModelSpec]
diff --git a/custom_components/foxess_modbus/entities/modbus_charge_period_sensors.py b/custom_components/foxess_modbus/entities/modbus_charge_period_sensors.py
index ca440cb..383cc7e 100644
--- a/custom_components/foxess_modbus/entities/modbus_charge_period_sensors.py
+++ b/custom_components/foxess_modbus/entities/modbus_charge_period_sensors.py
@@ -55,7 +55,7 @@ def _is_force_charge_enabled(
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusChargePeriodStartEndSensorDescription(SensorEntityDescription, EntityFactory):
+class ModbusChargePeriodStartEndSensorDescription(SensorEntityDescription, EntityFactory):  # type: ignore[misc, override]
     """Entity description for ModbusChargePeriodStartEndSensor"""
 
     address: list[InverterModelSpec]
@@ -187,7 +187,9 @@ def addresses(self) -> list[int]:
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusEnableForceChargeSensorDescription(BinarySensorEntityDescription, EntityFactory):
+class ModbusEnableForceChargeSensorDescription(  # type ignore[misc, override]
+    BinarySensorEntityDescription, EntityFactory
+):
     """Entity description for ModbusEnableForceChargeSensor"""
 
     period_start_address: list[InverterModelSpec]
diff --git a/custom_components/foxess_modbus/entities/modbus_entity_mixin.py b/custom_components/foxess_modbus/entities/modbus_entity_mixin.py
index 7a31d33..0d76625 100644
--- a/custom_components/foxess_modbus/entities/modbus_entity_mixin.py
+++ b/custom_components/foxess_modbus/entities/modbus_entity_mixin.py
@@ -8,8 +8,10 @@
 
 from homeassistant.const import Platform
 from homeassistant.helpers import entity_registry
+from homeassistant.helpers.entity import ABCCachedProperties
 from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.entity import Entity
+from propcache import cached_property
 
 from ..common.entity_controller import EntityController
 from ..common.entity_controller import ModbusControllerEntity
@@ -67,18 +69,18 @@ class ModbusEntityProtocol(Protocol):
     _controller: EntityController
 
 
+# HA introduced a ABCCachedProperties metaclass which is used by Entity, and which derives from ABCMeta.
+# This conflicts with Protocol's metaclass (from ModbusEntityProtocol).
+class ModbusEntityMixinMetaclass(ABCCachedProperties, type(Protocol)):  # type: ignore
+    pass
+
+
 if TYPE_CHECKING:
     _ModbusEntityMixinBase = Entity
 else:
     _ModbusEntityMixinBase = object
 
 
-# HA introduced a ABCCachedProperties metaclass which is used by Entity, and which derives from ABCMeta.
-# This conflicts with Protocol's metaclass (from ModbusEntityProtocol).
-class ModbusEntityMixinMetaclass(type(Entity), type(Protocol)):  # type: ignore
-    pass
-
-
 class ModbusEntityMixin(
     ModbusControllerEntity, ModbusEntityProtocol, _ModbusEntityMixinBase, metaclass=ModbusEntityMixinMetaclass
 ):
@@ -88,7 +90,7 @@ class ModbusEntityMixin(
     This provides properties which are common to all FoxESS entities.
     """
 
-    @property
+    @cached_property
     def unique_id(self) -> str:
         """Return a unique ID."""
         return _create_unique_id(self.entity_description.key, self._controller.inverter_details)
diff --git a/custom_components/foxess_modbus/entities/modbus_fault_sensor.py b/custom_components/foxess_modbus/entities/modbus_fault_sensor.py
index cd5127a..6d2183b 100644
--- a/custom_components/foxess_modbus/entities/modbus_fault_sensor.py
+++ b/custom_components/foxess_modbus/entities/modbus_fault_sensor.py
@@ -228,7 +228,7 @@ def __post_init__(self) -> None:
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusFaultSensorDescription(SensorEntityDescription, EntityFactory):
+class ModbusFaultSensorDescription(SensorEntityDescription, EntityFactory):  # type: ignore[misc, override]
     """Description for ModbusFaultSensor"""
 
     addresses: list[ModbusAddressesSpec]
diff --git a/custom_components/foxess_modbus/entities/modbus_integration_sensor.py b/custom_components/foxess_modbus/entities/modbus_integration_sensor.py
index c345fbf..817e802 100644
--- a/custom_components/foxess_modbus/entities/modbus_integration_sensor.py
+++ b/custom_components/foxess_modbus/entities/modbus_integration_sensor.py
@@ -29,7 +29,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusIntegrationSensorDescription(SensorEntityDescription, EntityFactory):
+class ModbusIntegrationSensorDescription(SensorEntityDescription, EntityFactory):  # type: ignore[misc, override]
     """Custom sensor description"""
 
     models: list[EntitySpec]
diff --git a/custom_components/foxess_modbus/entities/modbus_inverter_state_sensor.py b/custom_components/foxess_modbus/entities/modbus_inverter_state_sensor.py
index ffcc303..d952c2a 100644
--- a/custom_components/foxess_modbus/entities/modbus_inverter_state_sensor.py
+++ b/custom_components/foxess_modbus/entities/modbus_inverter_state_sensor.py
@@ -40,7 +40,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusInverterStateSensorDescription(SensorEntityDescription, EntityFactory):
+class ModbusInverterStateSensorDescription(SensorEntityDescription, EntityFactory):  # type: ignore[misc, override]
     """Description for ModbusInverterStateSensor"""
 
     address: list[ModbusAddressSpec]
@@ -104,7 +104,7 @@ def addresses(self) -> list[int]:
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusG2InverterStateSensorDescription(SensorEntityDescription, EntityFactory):
+class ModbusG2InverterStateSensorDescription(SensorEntityDescription, EntityFactory):  # type ignore[override]
     """Description for ModbusInverterStateSensor"""
 
     # Fault 1 code, fault 3 code
diff --git a/custom_components/foxess_modbus/entities/modbus_lambda_sensor.py b/custom_components/foxess_modbus/entities/modbus_lambda_sensor.py
index 3e4649b..3d593e5 100644
--- a/custom_components/foxess_modbus/entities/modbus_lambda_sensor.py
+++ b/custom_components/foxess_modbus/entities/modbus_lambda_sensor.py
@@ -25,7 +25,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusLambdaSensorDescription(SensorEntityDescription, EntityFactory):
+class ModbusLambdaSensorDescription(SensorEntityDescription, EntityFactory):  # type: ignore[misc, override]
     """Entity description for ModbusLambdaSensors"""
 
     models: list[EntitySpec]
diff --git a/custom_components/foxess_modbus/entities/modbus_number.py b/custom_components/foxess_modbus/entities/modbus_number.py
index dd51c36..f1ed9c4 100644
--- a/custom_components/foxess_modbus/entities/modbus_number.py
+++ b/custom_components/foxess_modbus/entities/modbus_number.py
@@ -26,7 +26,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusNumberDescription(NumberEntityDescription, EntityFactory):
+class ModbusNumberDescription(NumberEntityDescription, EntityFactory):  # type: ignore[misc, override]
     """Custom number entity description"""
 
     address: list[ModbusAddressSpec]
diff --git a/custom_components/foxess_modbus/entities/modbus_remote_control_number.py b/custom_components/foxess_modbus/entities/modbus_remote_control_number.py
index c2c6f22..45a3f40 100644
--- a/custom_components/foxess_modbus/entities/modbus_remote_control_number.py
+++ b/custom_components/foxess_modbus/entities/modbus_remote_control_number.py
@@ -26,7 +26,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusRemoteControlNumberDescription(NumberEntityDescription, EntityFactory):
+class ModbusRemoteControlNumberDescription(NumberEntityDescription, EntityFactory):  # type: ignore[misc, override]
     """Custom number entity description"""
 
     models: list[EntitySpec]
diff --git a/custom_components/foxess_modbus/entities/modbus_remote_control_select.py b/custom_components/foxess_modbus/entities/modbus_remote_control_select.py
index a03b7af..455119c 100644
--- a/custom_components/foxess_modbus/entities/modbus_remote_control_select.py
+++ b/custom_components/foxess_modbus/entities/modbus_remote_control_select.py
@@ -22,7 +22,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusRemoteControlSelectDescription(SelectEntityDescription, EntityFactory):
+class ModbusRemoteControlSelectDescription(SelectEntityDescription, EntityFactory):  # type: ignore[misc]
     models: list[EntitySpec]
 
     @property
diff --git a/custom_components/foxess_modbus/entities/modbus_select.py b/custom_components/foxess_modbus/entities/modbus_select.py
index 285de27..6d57962 100644
--- a/custom_components/foxess_modbus/entities/modbus_select.py
+++ b/custom_components/foxess_modbus/entities/modbus_select.py
@@ -24,7 +24,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusSelectDescription(SelectEntityDescription, EntityFactory):
+class ModbusSelectDescription(SelectEntityDescription, EntityFactory):  # type: ignore[misc]
     """Custom select entity description"""
 
     address: list[ModbusAddressSpec]
diff --git a/custom_components/foxess_modbus/entities/modbus_sensor.py b/custom_components/foxess_modbus/entities/modbus_sensor.py
index 99590c4..b115232 100644
--- a/custom_components/foxess_modbus/entities/modbus_sensor.py
+++ b/custom_components/foxess_modbus/entities/modbus_sensor.py
@@ -31,7 +31,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusSensorDescription(SensorEntityDescription, EntityFactory):
+class ModbusSensorDescription(SensorEntityDescription, EntityFactory):  # type: ignore[misc, override]
     """Custom sensor description"""
 
     addresses: list[ModbusAddressesSpec]
diff --git a/custom_components/foxess_modbus/entities/modbus_version_sensor.py b/custom_components/foxess_modbus/entities/modbus_version_sensor.py
index c8fb9ef..b928695 100644
--- a/custom_components/foxess_modbus/entities/modbus_version_sensor.py
+++ b/custom_components/foxess_modbus/entities/modbus_version_sensor.py
@@ -18,7 +18,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusVersionSensorDescription(SensorEntityDescription, EntityFactory):
+class ModbusVersionSensorDescription(SensorEntityDescription, EntityFactory):  # type: ignore[misc, override]
     """Description for ModbusVersionSensor"""
 
     address: list[ModbusAddressSpec]
diff --git a/custom_components/foxess_modbus/entities/modbus_work_mode_select.py b/custom_components/foxess_modbus/entities/modbus_work_mode_select.py
index 85dc7d9..69fa1ee 100644
--- a/custom_components/foxess_modbus/entities/modbus_work_mode_select.py
+++ b/custom_components/foxess_modbus/entities/modbus_work_mode_select.py
@@ -15,7 +15,7 @@
 
 
 @dataclass(kw_only=True, **ENTITY_DESCRIPTION_KWARGS)
-class ModbusWorkModeSelectDescription(ModbusSelectDescription):
+class ModbusWorkModeSelectDescription(ModbusSelectDescription):  # type: ignore[misc, override]
     def create_entity_if_supported(
         self,
         controller: EntityController,
diff --git a/pyproject.toml b/pyproject.toml
index 604a87c..a28b032 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ namespace_packages = true
 explicit_package_bases = true
 
 [[tool.mypy.overrides]]
-module = 'pymodbus.*'
+module = 'serial.*'
 ignore_missing_imports = true
 
 [tool.ruff]
diff --git a/requirements.txt b/requirements.txt
index 319cd3c..bab459e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
 # pip>=21.0,<23.2
-homeassistant==2025.1.0
+homeassistant==2025.1.1
 
 # Testing
-pytest-homeassistant-custom-component==0.13.201  # Matching version for 2025.1.0
+pytest-homeassistant-custom-component==0.13.202  # Matching version for 2025.1.0
 psutil-home-assistant  # Not sure why this is needed?
 fnv_hash_fast  # Or this?
 pytest-asyncio
@@ -13,8 +13,8 @@ black==23.9.0
 ruff==0.0.275
 # These are duplicated in .pre-commit-config.yaml
 reorder-python-imports==3.10.0
-mypy==1.14.1
-homeassistant-stubs==2025.1.0 # Matching HA version
+mypy==1.13.0
+homeassistant-stubs==2025.1.1 # Matching HA version
 types-python-slugify==8.0.0.2
 voluptuous-stubs==0.1.1
 # For mypy. Keep in sync with manifest.json and https://github.com/home-assistant/core/blob/master/requirements_all.txt.