diff --git a/homeassistant/components/deconz/deconz_device.py b/homeassistant/components/deconz/deconz_device.py
index 6163db0dc65..7b0c9383cb3 100644
--- a/homeassistant/components/deconz/deconz_device.py
+++ b/homeassistant/components/deconz/deconz_device.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import Generic, TypeVar, Union
+from typing import Generic, TypeVar
 
 from pydeconz.models.deconz_device import DeconzDevice as PydeconzDevice
 from pydeconz.models.group import Group as PydeconzGroup
@@ -21,12 +21,7 @@ from .util import serial_from_unique_id
 
 _DeviceT = TypeVar(
     "_DeviceT",
-    bound=Union[
-        PydeconzGroup,
-        PydeconzLightBase,
-        PydeconzSensorBase,
-        PydeconzScene,
-    ],
+    bound=PydeconzGroup | PydeconzLightBase | PydeconzSensorBase | PydeconzScene,
 )
 
 
diff --git a/homeassistant/components/deconz/light.py b/homeassistant/components/deconz/light.py
index 590c0795e65..9f8011e3431 100644
--- a/homeassistant/components/deconz/light.py
+++ b/homeassistant/components/deconz/light.py
@@ -1,7 +1,7 @@
 """Support for deCONZ lights."""
 from __future__ import annotations
 
-from typing import Any, TypedDict, TypeVar, Union
+from typing import Any, TypedDict, TypeVar
 
 from pydeconz.interfaces.groups import GroupHandler
 from pydeconz.interfaces.lights import LightHandler
@@ -47,7 +47,7 @@ DECONZ_TO_COLOR_MODE = {
     LightColorMode.XY: ColorMode.XY,
 }
 
-_LightDeviceT = TypeVar("_LightDeviceT", bound=Union[Group, Light])
+_LightDeviceT = TypeVar("_LightDeviceT", bound=Group | Light)
 
 
 class SetStateAttributes(TypedDict, total=False):
diff --git a/homeassistant/components/deconz/lock.py b/homeassistant/components/deconz/lock.py
index 9c4c5b43dbe..7afde4ada11 100644
--- a/homeassistant/components/deconz/lock.py
+++ b/homeassistant/components/deconz/lock.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import Any, Union
+from typing import Any
 
 from pydeconz.models.event import EventType
 from pydeconz.models.light.lock import Lock
@@ -50,7 +50,7 @@ async def async_setup_entry(
     )
 
 
-class DeconzLock(DeconzDevice[Union[DoorLock, Lock]], LockEntity):
+class DeconzLock(DeconzDevice[DoorLock | Lock], LockEntity):
     """Representation of a deCONZ lock."""
 
     TYPE = DOMAIN
diff --git a/homeassistant/components/devolo_home_network/entity.py b/homeassistant/components/devolo_home_network/entity.py
index b5a10a108b2..a26d8dce8f6 100644
--- a/homeassistant/components/devolo_home_network/entity.py
+++ b/homeassistant/components/devolo_home_network/entity.py
@@ -1,7 +1,7 @@
 """Generic platform."""
 from __future__ import annotations
 
-from typing import TypeVar, Union
+from typing import TypeVar
 
 from devolo_plc_api.device import Device
 from devolo_plc_api.device_api import (
@@ -22,13 +22,13 @@ from .const import DOMAIN
 
 _DataT = TypeVar(
     "_DataT",
-    bound=Union[
-        LogicalNetwork,
-        list[ConnectedStationInfo],
-        list[NeighborAPInfo],
-        WifiGuestAccessGet,
-        bool,
-    ],
+    bound=(
+        LogicalNetwork
+        | list[ConnectedStationInfo]
+        | list[NeighborAPInfo]
+        | WifiGuestAccessGet
+        | bool
+    ),
 )
 
 
diff --git a/homeassistant/components/devolo_home_network/sensor.py b/homeassistant/components/devolo_home_network/sensor.py
index e59f856e8da..2cca7c3b44b 100644
--- a/homeassistant/components/devolo_home_network/sensor.py
+++ b/homeassistant/components/devolo_home_network/sensor.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 
 from collections.abc import Callable
 from dataclasses import dataclass
-from typing import Any, Generic, TypeVar, Union
+from typing import Any, Generic, TypeVar
 
 from devolo_plc_api.device import Device
 from devolo_plc_api.device_api import ConnectedStationInfo, NeighborAPInfo
@@ -30,11 +30,7 @@ from .entity import DevoloEntity
 
 _DataT = TypeVar(
     "_DataT",
-    bound=Union[
-        LogicalNetwork,
-        list[ConnectedStationInfo],
-        list[NeighborAPInfo],
-    ],
+    bound=LogicalNetwork | list[ConnectedStationInfo] | list[NeighborAPInfo],
 )
 
 
diff --git a/homeassistant/components/devolo_home_network/switch.py b/homeassistant/components/devolo_home_network/switch.py
index 8b018f01948..35ce84c0969 100644
--- a/homeassistant/components/devolo_home_network/switch.py
+++ b/homeassistant/components/devolo_home_network/switch.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 
 from collections.abc import Awaitable, Callable
 from dataclasses import dataclass
-from typing import Any, Generic, TypeVar, Union
+from typing import Any, Generic, TypeVar
 
 from devolo_plc_api.device import Device
 from devolo_plc_api.device_api import WifiGuestAccessGet
@@ -19,13 +19,7 @@ from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 from .const import DOMAIN, SWITCH_GUEST_WIFI, SWITCH_LEDS
 from .entity import DevoloEntity
 
-_DataT = TypeVar(
-    "_DataT",
-    bound=Union[
-        WifiGuestAccessGet,
-        bool,
-    ],
-)
+_DataT = TypeVar("_DataT", bound=WifiGuestAccessGet | bool)
 
 
 @dataclass
diff --git a/homeassistant/components/firmata/board.py b/homeassistant/components/firmata/board.py
index 8b5c76e2582..c309676c8d6 100644
--- a/homeassistant/components/firmata/board.py
+++ b/homeassistant/components/firmata/board.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 
 from collections.abc import Mapping
 import logging
-from typing import Literal, Union
+from typing import Literal
 
 from pymata_express.pymata_express import PymataExpress
 from pymata_express.pymata_express_serial import serial
@@ -29,7 +29,7 @@ from .const import (
 
 _LOGGER = logging.getLogger(__name__)
 
-FirmataPinType = Union[int, str]
+FirmataPinType = int | str
 
 
 class FirmataBoard:
diff --git a/homeassistant/components/flume/entity.py b/homeassistant/components/flume/entity.py
index b958510e733..ef63eeff1d7 100644
--- a/homeassistant/components/flume/entity.py
+++ b/homeassistant/components/flume/entity.py
@@ -1,7 +1,7 @@
 """Platform for shared base classes for sensors."""
 from __future__ import annotations
 
-from typing import TypeVar, Union
+from typing import TypeVar
 
 from homeassistant.helpers.entity import DeviceInfo, EntityDescription
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
@@ -15,11 +15,11 @@ from .coordinator import (
 
 _FlumeCoordinatorT = TypeVar(
     "_FlumeCoordinatorT",
-    bound=Union[
-        FlumeDeviceDataUpdateCoordinator,
-        FlumeDeviceConnectionUpdateCoordinator,
-        FlumeNotificationDataUpdateCoordinator,
-    ],
+    bound=(
+        FlumeDeviceDataUpdateCoordinator
+        | FlumeDeviceConnectionUpdateCoordinator
+        | FlumeNotificationDataUpdateCoordinator
+    ),
 )
 
 
diff --git a/homeassistant/components/forked_daapd/browse_media.py b/homeassistant/components/forked_daapd/browse_media.py
index a4c97d3a035..dee1cd444c3 100644
--- a/homeassistant/components/forked_daapd/browse_media.py
+++ b/homeassistant/components/forked_daapd/browse_media.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 
 from collections.abc import Sequence
 from dataclasses import dataclass
-from typing import TYPE_CHECKING, Any, Union, cast
+from typing import TYPE_CHECKING, Any, cast
 from urllib.parse import quote, unquote
 
 from homeassistant.components.media_player import BrowseMedia, MediaClass, MediaType
@@ -160,7 +160,7 @@ async def get_owntone_content(
         return create_browse_media_response(
             master,
             media_content,
-            cast(list[dict[str, Union[int, str]]], result),
+            cast(list[dict[str, int | str]], result),
             children,
         )
     if media_content.id_or_path == "":  # top level search
@@ -188,7 +188,7 @@ async def get_owntone_content(
         return create_browse_media_response(
             master,
             media_content,
-            cast(list[dict[str, Union[int, str]]], result),
+            cast(list[dict[str, int | str]], result),
         )
     # Not a directory or top level of library
     # We should have content type and id
@@ -214,7 +214,7 @@ async def get_owntone_content(
         )
 
     return create_browse_media_response(
-        master, media_content, cast(list[dict[str, Union[int, str]]], result)
+        master, media_content, cast(list[dict[str, int | str]], result)
     )