diff --git a/.strict-typing b/.strict-typing
index 9c70e27895d..f01c3541b0e 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -295,6 +295,7 @@ homeassistant.components.open_meteo.*
 homeassistant.components.openexchangerates.*
 homeassistant.components.opensky.*
 homeassistant.components.openuv.*
+homeassistant.components.oralb.*
 homeassistant.components.otbr.*
 homeassistant.components.overkiz.*
 homeassistant.components.p1_monitor.*
diff --git a/homeassistant/components/oralb/__init__.py b/homeassistant/components/oralb/__init__.py
index c981ad01bd8..4a4d06cabbb 100644
--- a/homeassistant/components/oralb/__init__.py
+++ b/homeassistant/components/oralb/__init__.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 
 import logging
 
-from oralb_ble import OralBBluetoothDeviceData
+from oralb_ble import OralBBluetoothDeviceData, SensorUpdate
 
 from homeassistant.components.bluetooth import (
     BluetoothScanningMode,
@@ -45,7 +45,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
             )
         )
 
-    async def _async_poll(service_info: BluetoothServiceInfoBleak):
+    async def _async_poll(service_info: BluetoothServiceInfoBleak) -> SensorUpdate:
         # BluetoothServiceInfoBleak is defined in HA, otherwise would just pass it
         # directly to the oralb code
         # Make sure the device we have is one that we can connect with
diff --git a/mypy.ini b/mypy.ini
index 3f478afaa82..44cd6af98b0 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -2711,6 +2711,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.oralb.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.otbr.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true