diff --git a/tests/components/webostv/test_config_flow.py b/tests/components/webostv/test_config_flow.py
index afda36d913f..406bb9c8804 100644
--- a/tests/components/webostv/test_config_flow.py
+++ b/tests/components/webostv/test_config_flow.py
@@ -295,7 +295,9 @@ async def test_form_abort_uuid_configured(hass: HomeAssistant, client) -> None:
     assert entry.data[CONF_HOST] == "new_host"
 
 
-async def test_reauth_successful(hass: HomeAssistant, client, monkeypatch) -> None:
+async def test_reauth_successful(
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch
+) -> None:
     """Test that the reauthorization is successful."""
     entry = await setup_webostv(hass)
     assert client
@@ -331,7 +333,7 @@ async def test_reauth_successful(hass: HomeAssistant, client, monkeypatch) -> No
     ],
 )
 async def test_reauth_errors(
-    hass: HomeAssistant, client, monkeypatch, side_effect, reason
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch, side_effect, reason
 ) -> None:
     """Test reauthorization errors."""
     entry = await setup_webostv(hass)
diff --git a/tests/components/webostv/test_init.py b/tests/components/webostv/test_init.py
index a2961a81a4e..e2638c86f5e 100644
--- a/tests/components/webostv/test_init.py
+++ b/tests/components/webostv/test_init.py
@@ -3,6 +3,7 @@
 from unittest.mock import Mock
 
 from aiowebostv import WebOsTvPairError
+import pytest
 
 from homeassistant.components.webostv.const import DOMAIN
 from homeassistant.config_entries import SOURCE_REAUTH, ConfigEntryState
@@ -12,7 +13,9 @@ from homeassistant.core import HomeAssistant
 from . import setup_webostv
 
 
-async def test_reauth_setup_entry(hass: HomeAssistant, client, monkeypatch) -> None:
+async def test_reauth_setup_entry(
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch
+) -> None:
     """Test reauth flow triggered by setup entry."""
     monkeypatch.setattr(client, "is_connected", Mock(return_value=False))
     monkeypatch.setattr(client, "connect", Mock(side_effect=WebOsTvPairError))
@@ -32,7 +35,9 @@ async def test_reauth_setup_entry(hass: HomeAssistant, client, monkeypatch) -> N
     assert flow["context"].get("entry_id") == entry.entry_id
 
 
-async def test_key_update_setup_entry(hass: HomeAssistant, client, monkeypatch) -> None:
+async def test_key_update_setup_entry(
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch
+) -> None:
     """Test key update from setup entry."""
     monkeypatch.setattr(client, "client_key", "new_key")
     entry = await setup_webostv(hass)
diff --git a/tests/components/webostv/test_media_player.py b/tests/components/webostv/test_media_player.py
index 6c4aeb5e984..775a3eb9383 100644
--- a/tests/components/webostv/test_media_player.py
+++ b/tests/components/webostv/test_media_player.py
@@ -144,7 +144,7 @@ async def test_media_play_pause(hass: HomeAssistant, client) -> None:
     ],
 )
 async def test_media_next_previous_track(
-    hass: HomeAssistant, client, service, client_call, monkeypatch
+    hass: HomeAssistant, client, service, client_call, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """Test media next/previous track services."""
     await setup_webostv(hass)
@@ -270,7 +270,10 @@ async def test_select_sound_output(hass: HomeAssistant, client) -> None:
 
 
 async def test_device_info_startup_off(
-    hass: HomeAssistant, client, monkeypatch, device_registry: dr.DeviceRegistry
+    hass: HomeAssistant,
+    client,
+    monkeypatch: pytest.MonkeyPatch,
+    device_registry: dr.DeviceRegistry,
 ) -> None:
     """Test device info when device is off at startup."""
     monkeypatch.setattr(client, "system_info", None)
@@ -291,7 +294,10 @@ async def test_device_info_startup_off(
 
 
 async def test_entity_attributes(
-    hass: HomeAssistant, client, monkeypatch, device_registry: dr.DeviceRegistry
+    hass: HomeAssistant,
+    client,
+    monkeypatch: pytest.MonkeyPatch,
+    device_registry: dr.DeviceRegistry,
 ) -> None:
     """Test entity attributes."""
     entry = await setup_webostv(hass)
@@ -383,7 +389,7 @@ async def test_play_media(hass: HomeAssistant, client, media_id, ch_id) -> None:
 
 
 async def test_update_sources_live_tv_find(
-    hass: HomeAssistant, client, monkeypatch
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """Test finding live TV app id in update sources."""
     await setup_webostv(hass)
@@ -466,7 +472,9 @@ async def test_update_sources_live_tv_find(
     assert len(sources) == 1
 
 
-async def test_client_disconnected(hass: HomeAssistant, client, monkeypatch) -> None:
+async def test_client_disconnected(
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch
+) -> None:
     """Test error not raised when client is disconnected."""
     await setup_webostv(hass)
     monkeypatch.setattr(client, "is_connected", Mock(return_value=False))
@@ -477,7 +485,10 @@ async def test_client_disconnected(hass: HomeAssistant, client, monkeypatch) ->
 
 
 async def test_control_error_handling(
-    hass: HomeAssistant, client, caplog: pytest.LogCaptureFixture, monkeypatch
+    hass: HomeAssistant,
+    client,
+    caplog: pytest.LogCaptureFixture,
+    monkeypatch: pytest.MonkeyPatch,
 ) -> None:
     """Test control errors handling."""
     await setup_webostv(hass)
@@ -507,7 +518,9 @@ async def test_control_error_handling(
     )
 
 
-async def test_supported_features(hass: HomeAssistant, client, monkeypatch) -> None:
+async def test_supported_features(
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch
+) -> None:
     """Test test supported features."""
     monkeypatch.setattr(client, "sound_output", "lineout")
     await setup_webostv(hass)
@@ -565,7 +578,7 @@ async def test_supported_features(hass: HomeAssistant, client, monkeypatch) -> N
 
 
 async def test_cached_supported_features(
-    hass: HomeAssistant, client, monkeypatch
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """Test test supported features."""
     monkeypatch.setattr(client, "is_on", False)
@@ -672,7 +685,7 @@ async def test_cached_supported_features(
 
 
 async def test_supported_features_no_cache(
-    hass: HomeAssistant, client, monkeypatch
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """Test supported features if device is off and no cache."""
     monkeypatch.setattr(client, "is_on", False)
@@ -716,7 +729,7 @@ async def test_get_image_http(
     client,
     hass_client_no_auth: ClientSessionGenerator,
     aioclient_mock: AiohttpClientMocker,
-    monkeypatch,
+    monkeypatch: pytest.MonkeyPatch,
 ) -> None:
     """Test get image via http."""
     url = "http://something/valid_icon"
@@ -742,7 +755,7 @@ async def test_get_image_http_error(
     hass_client_no_auth: ClientSessionGenerator,
     aioclient_mock: AiohttpClientMocker,
     caplog: pytest.LogCaptureFixture,
-    monkeypatch,
+    monkeypatch: pytest.MonkeyPatch,
 ) -> None:
     """Test get image via http error."""
     url = "http://something/icon_error"
@@ -769,7 +782,7 @@ async def test_get_image_https(
     client,
     hass_client_no_auth: ClientSessionGenerator,
     aioclient_mock: AiohttpClientMocker,
-    monkeypatch,
+    monkeypatch: pytest.MonkeyPatch,
 ) -> None:
     """Test get image via http."""
     url = "https://something/valid_icon_https"
@@ -789,7 +802,9 @@ async def test_get_image_https(
     assert content == b"https_image"
 
 
-async def test_reauth_reconnect(hass: HomeAssistant, client, monkeypatch) -> None:
+async def test_reauth_reconnect(
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch
+) -> None:
     """Test reauth flow triggered by reconnect."""
     entry = await setup_webostv(hass)
     monkeypatch.setattr(client, "is_connected", Mock(return_value=False))
@@ -814,7 +829,9 @@ async def test_reauth_reconnect(hass: HomeAssistant, client, monkeypatch) -> Non
     assert flow["context"].get("entry_id") == entry.entry_id
 
 
-async def test_update_media_state(hass: HomeAssistant, client, monkeypatch) -> None:
+async def test_update_media_state(
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch
+) -> None:
     """Test updating media state."""
     await setup_webostv(hass)
 
diff --git a/tests/components/webostv/test_notify.py b/tests/components/webostv/test_notify.py
index a1c37b9bf97..75c2e148310 100644
--- a/tests/components/webostv/test_notify.py
+++ b/tests/components/webostv/test_notify.py
@@ -72,7 +72,9 @@ async def test_notify(hass: HomeAssistant, client) -> None:
     )
 
 
-async def test_notify_not_connected(hass: HomeAssistant, client, monkeypatch) -> None:
+async def test_notify_not_connected(
+    hass: HomeAssistant, client, monkeypatch: pytest.MonkeyPatch
+) -> None:
     """Test sending a message when client is not connected."""
     await setup_webostv(hass)
     assert hass.services.has_service(NOTIFY_DOMAIN, TV_NAME)
@@ -95,7 +97,10 @@ async def test_notify_not_connected(hass: HomeAssistant, client, monkeypatch) ->
 
 
 async def test_icon_not_found(
-    hass: HomeAssistant, caplog: pytest.LogCaptureFixture, client, monkeypatch
+    hass: HomeAssistant,
+    caplog: pytest.LogCaptureFixture,
+    client,
+    monkeypatch: pytest.MonkeyPatch,
 ) -> None:
     """Test notify icon not found error."""
     await setup_webostv(hass)
@@ -130,7 +135,7 @@ async def test_connection_errors(
     hass: HomeAssistant,
     caplog: pytest.LogCaptureFixture,
     client,
-    monkeypatch,
+    monkeypatch: pytest.MonkeyPatch,
     side_effect,
     error,
 ) -> None: