diff --git a/.strict-typing b/.strict-typing
index 1163dea618c..041da10ab80 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -447,6 +447,7 @@ homeassistant.components.withings.*
 homeassistant.components.wiz.*
 homeassistant.components.wled.*
 homeassistant.components.worldclock.*
+homeassistant.components.xiaomi_ble.*
 homeassistant.components.yale_smart_alarm.*
 homeassistant.components.yalexs_ble.*
 homeassistant.components.youtube.*
diff --git a/homeassistant/components/xiaomi_ble/__init__.py b/homeassistant/components/xiaomi_ble/__init__.py
index 228a72cb8a5..456838d1ee1 100644
--- a/homeassistant/components/xiaomi_ble/__init__.py
+++ b/homeassistant/components/xiaomi_ble/__init__.py
@@ -128,7 +128,7 @@ 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 Xiaomi code
         # Make sure the device we have is one that we can connect with
diff --git a/homeassistant/components/xiaomi_ble/config_flow.py b/homeassistant/components/xiaomi_ble/config_flow.py
index 9115fc5991b..bca76bfd0a5 100644
--- a/homeassistant/components/xiaomi_ble/config_flow.py
+++ b/homeassistant/components/xiaomi_ble/config_flow.py
@@ -280,8 +280,8 @@ class XiaomiConfigFlow(ConfigFlow, domain=DOMAIN):
         # Otherwise there wasn't actually encryption so abort
         return self.async_abort(reason="reauth_successful")
 
-    def _async_get_or_create_entry(self, bindkey=None):
-        data = {}
+    def _async_get_or_create_entry(self, bindkey: str | None = None) -> FlowResult:
+        data: dict[str, Any] = {}
 
         if bindkey:
             data["bindkey"] = bindkey
diff --git a/homeassistant/components/xiaomi_ble/device_trigger.py b/homeassistant/components/xiaomi_ble/device_trigger.py
index 04239cee56d..91d7132d65f 100644
--- a/homeassistant/components/xiaomi_ble/device_trigger.py
+++ b/homeassistant/components/xiaomi_ble/device_trigger.py
@@ -65,7 +65,7 @@ async def async_validate_trigger_config(
     """Validate trigger config."""
     device_id = config[CONF_DEVICE_ID]
     if model_data := _async_trigger_model_data(hass, device_id):
-        return model_data.schema(config)
+        return model_data.schema(config)  # type: ignore[no-any-return]
     return config
 
 
diff --git a/mypy.ini b/mypy.ini
index d049a922e1b..7693912a6c8 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -4233,6 +4233,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.xiaomi_ble.*]
+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.yale_smart_alarm.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true