diff --git a/.strict-typing b/.strict-typing
index 2aa336afb9e..f7264591c83 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -175,6 +175,7 @@ homeassistant.components.powerwall.*
 homeassistant.components.proximity.*
 homeassistant.components.pvoutput.*
 homeassistant.components.pure_energie.*
+homeassistant.components.qnap_qsw.*
 homeassistant.components.rainmachine.*
 homeassistant.components.rdw.*
 homeassistant.components.recollect_waste.*
diff --git a/homeassistant/components/qnap_qsw/coordinator.py b/homeassistant/components/qnap_qsw/coordinator.py
index 064953b1446..e3ca95076d0 100644
--- a/homeassistant/components/qnap_qsw/coordinator.py
+++ b/homeassistant/components/qnap_qsw/coordinator.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 
 from datetime import timedelta
 import logging
+from typing import Any, cast
 
 from aioqsw.exceptions import QswError
 from aioqsw.localapi import QnapQswApi
@@ -18,7 +19,7 @@ SCAN_INTERVAL = timedelta(seconds=60)
 _LOGGER = logging.getLogger(__name__)
 
 
-class QswUpdateCoordinator(DataUpdateCoordinator):
+class QswUpdateCoordinator(DataUpdateCoordinator[dict[str, Any]]):
     """Class to manage fetching data from the QNAP QSW device."""
 
     def __init__(self, hass: HomeAssistant, qsw: QnapQswApi) -> None:
@@ -30,13 +31,14 @@ class QswUpdateCoordinator(DataUpdateCoordinator):
             _LOGGER,
             name=DOMAIN,
             update_interval=SCAN_INTERVAL,
+            update_method=self._async_update,
         )
 
-    async def _async_update_data(self):
+    async def _async_update(self) -> dict[str, Any]:
         """Update data via library."""
         async with async_timeout.timeout(QSW_TIMEOUT_SEC):
             try:
                 await self.qsw.update()
             except QswError as error:
                 raise UpdateFailed(error) from error
-            return self.qsw.data()
+            return cast(dict[str, Any], self.qsw.data())
diff --git a/mypy.ini b/mypy.ini
index 0232e1eec15..ab4ba77c98b 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1688,6 +1688,17 @@ no_implicit_optional = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.qnap_qsw.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.rainmachine.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true