diff --git a/tests/components/numato/conftest.py b/tests/components/numato/conftest.py
index c6fd13a099e..f3ae4d5f32b 100644
--- a/tests/components/numato/conftest.py
+++ b/tests/components/numato/conftest.py
@@ -1,17 +1,18 @@
 """Fixtures for numato tests."""
 
 from copy import deepcopy
+from typing import Any
 
 import pytest
 
 from homeassistant.components import numato
 
-from . import numato_mock
 from .common import NUMATO_CFG
+from .numato_mock import NumatoModuleMock
 
 
 @pytest.fixture
-def config():
+def config() -> dict[str, Any]:
     """Provide a copy of the numato domain's test configuration.
 
     This helps to quickly change certain aspects of the configuration scoped
@@ -21,8 +22,8 @@ def config():
 
 
 @pytest.fixture
-def numato_fixture(monkeypatch):
+def numato_fixture(monkeypatch: pytest.MonkeyPatch) -> NumatoModuleMock:
     """Inject the numato mockup into numato homeassistant module."""
-    module_mock = numato_mock.NumatoModuleMock()
+    module_mock = NumatoModuleMock()
     monkeypatch.setattr(numato, "gpio", module_mock)
     return module_mock
diff --git a/tests/components/numato/test_binary_sensor.py b/tests/components/numato/test_binary_sensor.py
index 524589af198..08506349247 100644
--- a/tests/components/numato/test_binary_sensor.py
+++ b/tests/components/numato/test_binary_sensor.py
@@ -21,7 +21,7 @@ MOCKUP_ENTITY_IDS = {
 
 
 async def test_failing_setups_no_entities(
-    hass: HomeAssistant, numato_fixture, monkeypatch
+    hass: HomeAssistant, numato_fixture, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """When port setup fails, no entity shall be created."""
     monkeypatch.setattr(numato_fixture.NumatoDeviceMock, "setup", mockup_raise)
diff --git a/tests/components/numato/test_init.py b/tests/components/numato/test_init.py
index 35dd102ec9e..4695265f37f 100644
--- a/tests/components/numato/test_init.py
+++ b/tests/components/numato/test_init.py
@@ -11,7 +11,7 @@ from .common import NUMATO_CFG, mockup_raise, mockup_return
 
 
 async def test_setup_no_devices(
-    hass: HomeAssistant, numato_fixture, monkeypatch
+    hass: HomeAssistant, numato_fixture, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """Test handling of an 'empty' discovery.
 
@@ -24,7 +24,7 @@ async def test_setup_no_devices(
 
 
 async def test_fail_setup_raising_discovery(
-    hass: HomeAssistant, numato_fixture, caplog: pytest.LogCaptureFixture, monkeypatch
+    hass: HomeAssistant, numato_fixture, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """Test handling of an exception during discovery.
 
@@ -57,7 +57,7 @@ async def test_hass_numato_api_wrong_port_directions(
 
 
 async def test_hass_numato_api_errors(
-    hass: HomeAssistant, numato_fixture, monkeypatch
+    hass: HomeAssistant, numato_fixture, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """Test whether Home Assistant numato API (re-)raises errors."""
     numato_fixture.discover()
diff --git a/tests/components/numato/test_sensor.py b/tests/components/numato/test_sensor.py
index 30a9f174941..c652df9b086 100644
--- a/tests/components/numato/test_sensor.py
+++ b/tests/components/numato/test_sensor.py
@@ -1,5 +1,7 @@
 """Tests for the numato sensor platform."""
 
+import pytest
+
 from homeassistant.const import STATE_UNKNOWN, Platform
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import discovery
@@ -13,7 +15,7 @@ MOCKUP_ENTITY_IDS = {
 
 
 async def test_failing_setups_no_entities(
-    hass: HomeAssistant, numato_fixture, monkeypatch
+    hass: HomeAssistant, numato_fixture, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """When port setup fails, no entity shall be created."""
     monkeypatch.setattr(numato_fixture.NumatoDeviceMock, "setup", mockup_raise)
@@ -24,7 +26,7 @@ async def test_failing_setups_no_entities(
 
 
 async def test_failing_sensor_update(
-    hass: HomeAssistant, numato_fixture, monkeypatch
+    hass: HomeAssistant, numato_fixture, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """Test condition when a sensor update fails."""
     monkeypatch.setattr(numato_fixture.NumatoDeviceMock, "adc_read", mockup_raise)
diff --git a/tests/components/numato/test_switch.py b/tests/components/numato/test_switch.py
index e69b3481b1d..42102ea4869 100644
--- a/tests/components/numato/test_switch.py
+++ b/tests/components/numato/test_switch.py
@@ -1,5 +1,7 @@
 """Tests for the numato switch platform."""
 
+import pytest
+
 from homeassistant.components import switch
 from homeassistant.const import (
     ATTR_ENTITY_ID,
@@ -20,7 +22,7 @@ MOCKUP_ENTITY_IDS = {
 
 
 async def test_failing_setups_no_entities(
-    hass: HomeAssistant, numato_fixture, monkeypatch
+    hass: HomeAssistant, numato_fixture, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """When port setup fails, no entity shall be created."""
     monkeypatch.setattr(numato_fixture.NumatoDeviceMock, "setup", mockup_raise)
@@ -69,7 +71,7 @@ async def test_regular_hass_operations(hass: HomeAssistant, numato_fixture) -> N
 
 
 async def test_failing_hass_operations(
-    hass: HomeAssistant, numato_fixture, monkeypatch
+    hass: HomeAssistant, numato_fixture, monkeypatch: pytest.MonkeyPatch
 ) -> None:
     """Test failing operations called from within Home Assistant.