diff --git a/homeassistant/components/cloud/prefs.py b/homeassistant/components/cloud/prefs.py
index 9b7f863c3687de..9f76c16a113951 100644
--- a/homeassistant/components/cloud/prefs.py
+++ b/homeassistant/components/cloud/prefs.py
@@ -6,7 +6,7 @@
 from typing import Any
 import uuid
 
-from hass_nabucasa.voice import MAP_VOICE
+from hass_nabucasa.voice import MAP_VOICE, Gender
 
 from homeassistant.auth.const import GROUP_ID_ADMIN
 from homeassistant.auth.models import User
@@ -91,8 +91,8 @@ async def google_connected() -> bool:
                 # The new second item is the voice name.
                 default_tts_voice = old_data.get(PREF_TTS_DEFAULT_VOICE)
                 if default_tts_voice and (voice_item_two := default_tts_voice[1]) in (
-                    "female",
-                    "male",
+                    Gender.FEMALE,
+                    Gender.MALE,
                 ):
                     language: str = default_tts_voice[0]
                     if voice := MAP_VOICE.get((language, voice_item_two)):
diff --git a/homeassistant/components/overkiz/climate.py b/homeassistant/components/overkiz/climate.py
index b569d05d2d7fe5..1663834abeefc2 100644
--- a/homeassistant/components/overkiz/climate.py
+++ b/homeassistant/components/overkiz/climate.py
@@ -2,8 +2,6 @@
 
 from __future__ import annotations
 
-from typing import cast
-
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import Platform
 from homeassistant.core import HomeAssistant
@@ -15,7 +13,6 @@
     WIDGET_AND_CONTROLLABLE_TO_CLIMATE_ENTITY,
     WIDGET_AND_PROTOCOL_TO_CLIMATE_ENTITY,
     WIDGET_TO_CLIMATE_ENTITY,
-    Controllable,
 )
 from .const import DOMAIN
 
@@ -39,7 +36,7 @@ async def async_setup_entry(
     # ie Atlantic APC
     entities_based_on_widget_and_controllable: list[Entity] = [
         WIDGET_AND_CONTROLLABLE_TO_CLIMATE_ENTITY[device.widget][
-            cast(Controllable, device.controllable_name)
+            device.controllable_name
         ](device.device_url, data.coordinator)
         for device in data.platforms[Platform.CLIMATE]
         if device.widget in WIDGET_AND_CONTROLLABLE_TO_CLIMATE_ENTITY
diff --git a/homeassistant/components/transmission/__init__.py b/homeassistant/components/transmission/__init__.py
index 377714301993d8..1c108831acf35e 100644
--- a/homeassistant/components/transmission/__init__.py
+++ b/homeassistant/components/transmission/__init__.py
@@ -5,7 +5,7 @@
 from functools import partial
 import logging
 import re
-from typing import Any, Literal
+from typing import Any, Final
 
 import transmission_rpc
 from transmission_rpc.error import (
@@ -278,8 +278,7 @@ async def get_api(
     hass: HomeAssistant, entry: dict[str, Any]
 ) -> transmission_rpc.Client:
     """Get Transmission client."""
-    protocol: Literal["http", "https"]
-    protocol = "https" if entry[CONF_SSL] else "http"
+    protocol: Final = "https" if entry[CONF_SSL] else "http"
     host = entry[CONF_HOST]
     port = entry[CONF_PORT]
     path = entry[CONF_PATH]
diff --git a/requirements_test.txt b/requirements_test.txt
index 0088fa8e17eb0e..19a60b6aa28942 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -11,7 +11,7 @@ astroid==3.2.4
 coverage==7.6.0
 freezegun==1.5.1
 mock-open==1.4.0
-mypy-dev==1.12.0a1
+mypy-dev==1.12.0a2
 pre-commit==3.7.1
 pydantic==1.10.17
 pylint==3.2.6