diff --git a/homeassistant/components/lametric/const.py b/homeassistant/components/lametric/const.py
index 4f9472b24f4..8c05b15ad1f 100644
--- a/homeassistant/components/lametric/const.py
+++ b/homeassistant/components/lametric/const.py
@@ -13,6 +13,7 @@ PLATFORMS = [
     Platform.SELECT,
     Platform.SENSOR,
     Platform.SWITCH,
+    Platform.UPDATE,
 ]
 
 LOGGER = logging.getLogger(__package__)
diff --git a/homeassistant/components/lametric/update.py b/homeassistant/components/lametric/update.py
new file mode 100644
index 00000000000..d486d9d27ba
--- /dev/null
+++ b/homeassistant/components/lametric/update.py
@@ -0,0 +1,46 @@
+"""LaMetric Update platform."""
+
+from awesomeversion import AwesomeVersion
+
+from homeassistant.components.update import UpdateDeviceClass, UpdateEntity
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+
+from .coordinator import LaMetricConfigEntry, LaMetricDataUpdateCoordinator
+from .entity import LaMetricEntity
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: LaMetricConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up LaMetric update platform."""
+
+    coordinator = config_entry.runtime_data
+
+    if coordinator.data.os_version >= AwesomeVersion("2.3.0"):
+        async_add_entities([LaMetricUpdate(coordinator)])
+
+
+class LaMetricUpdate(LaMetricEntity, UpdateEntity):
+    """Representation of LaMetric Update."""
+
+    _attr_device_class = UpdateDeviceClass.FIRMWARE
+
+    def __init__(self, coordinator: LaMetricDataUpdateCoordinator) -> None:
+        """Initialize the entity."""
+        super().__init__(coordinator)
+        self._attr_unique_id = f"{coordinator.data.serial_number}-update"
+
+    @property
+    def installed_version(self) -> str:
+        """Return the installed version of the entity."""
+        return self.coordinator.data.os_version
+
+    @property
+    def latest_version(self) -> str | None:
+        """Return the latest version of the entity."""
+        if not self.coordinator.data.update:
+            return None
+        return self.coordinator.data.update.version
diff --git a/tests/components/lametric/conftest.py b/tests/components/lametric/conftest.py
index da86d1bc4de..f8837054691 100644
--- a/tests/components/lametric/conftest.py
+++ b/tests/components/lametric/conftest.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 from collections.abc import Generator
+from contextlib import nullcontext
 from unittest.mock import AsyncMock, MagicMock, patch
 
 from demetriek import CloudDevice, Device
@@ -97,12 +98,20 @@ def mock_lametric(device_fixture: str) -> Generator[MagicMock]:
 
 @pytest.fixture
 async def init_integration(
-    hass: HomeAssistant, mock_config_entry: MockConfigEntry, mock_lametric: MagicMock
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    mock_lametric: MagicMock,
+    request: pytest.FixtureRequest,
 ) -> MockConfigEntry:
     """Set up the LaMetric integration for testing."""
     mock_config_entry.add_to_hass(hass)
 
-    await hass.config_entries.async_setup(mock_config_entry.entry_id)
-    await hass.async_block_till_done()
+    context = nullcontext()
+    if platform := getattr(request, "param", None):
+        context = patch("homeassistant.components.lametric.PLATFORMS", [platform])
+
+    with context:
+        await hass.config_entries.async_setup(mock_config_entry.entry_id)
+        await hass.async_block_till_done()
 
     return mock_config_entry
diff --git a/tests/components/lametric/fixtures/device_sa5.json b/tests/components/lametric/fixtures/device_sa5.json
index 47120f672ef..b82a4bda2af 100644
--- a/tests/components/lametric/fixtures/device_sa5.json
+++ b/tests/components/lametric/fixtures/device_sa5.json
@@ -57,6 +57,9 @@
   "name": "spyfly's LaMetric SKY",
   "os_version": "3.0.13",
   "serial_number": "SA52100000123TBNC",
+  "update_available": {
+    "version": "3.2.1"
+  },
   "wifi": {
     "active": true,
     "mac": "AA:BB:CC:DD:EE:FF",
diff --git a/tests/components/lametric/snapshots/test_update.ambr b/tests/components/lametric/snapshots/test_update.ambr
new file mode 100644
index 00000000000..342cac5b39b
--- /dev/null
+++ b/tests/components/lametric/snapshots/test_update.ambr
@@ -0,0 +1,62 @@
+# serializer version: 1
+# name: test_all_entities[device_sa5-update][update.spyfly_s_lametric_sky_firmware-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'update',
+    'entity_category': <EntityCategory.DIAGNOSTIC: 'diagnostic'>,
+    'entity_id': 'update.spyfly_s_lametric_sky_firmware',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <UpdateDeviceClass.FIRMWARE: 'firmware'>,
+    'original_icon': None,
+    'original_name': 'Firmware',
+    'platform': 'lametric',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': 'SA52100000123TBNC-update',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[device_sa5-update][update.spyfly_s_lametric_sky_firmware-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'auto_update': False,
+      'device_class': 'firmware',
+      'display_precision': 0,
+      'entity_picture': 'https://brands.home-assistant.io/_/lametric/icon.png',
+      'friendly_name': "spyfly's LaMetric SKY Firmware",
+      'in_progress': False,
+      'installed_version': '3.0.13',
+      'latest_version': '3.2.1',
+      'release_summary': None,
+      'release_url': None,
+      'skipped_version': None,
+      'supported_features': <UpdateEntityFeature: 0>,
+      'title': None,
+      'update_percentage': None,
+    }),
+    'context': <ANY>,
+    'entity_id': 'update.spyfly_s_lametric_sky_firmware',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'on',
+  })
+# ---
diff --git a/tests/components/lametric/test_update.py b/tests/components/lametric/test_update.py
new file mode 100644
index 00000000000..f8e396bd582
--- /dev/null
+++ b/tests/components/lametric/test_update.py
@@ -0,0 +1,29 @@
+"""Tests for the LaMetric update platform."""
+
+from unittest.mock import MagicMock
+
+import pytest
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.const import Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
+
+from tests.common import MockConfigEntry, snapshot_platform
+
+pytestmark = [
+    pytest.mark.parametrize("init_integration", [Platform.UPDATE], indirect=True),
+    pytest.mark.usefixtures("init_integration"),
+]
+
+
+@pytest.mark.parametrize("device_fixture", ["device_sa5"])
+async def test_all_entities(
+    hass: HomeAssistant,
+    snapshot: SnapshotAssertion,
+    mock_lametric: MagicMock,
+    mock_config_entry: MockConfigEntry,
+    entity_registry: er.EntityRegistry,
+) -> None:
+    """Test all entities."""
+    await snapshot_platform(hass, entity_registry, snapshot, mock_config_entry.entry_id)