diff --git a/custom_components/bahmcloud_store/update.py b/custom_components/bahmcloud_store/update.py
index 1c07482..3ff058b 100644
--- a/custom_components/bahmcloud_store/update.py
+++ b/custom_components/bahmcloud_store/update.py
@@ -1,17 +1,38 @@
 from __future__ import annotations
 
-# NOTE:
-# Update entities will be implemented once installation/provider resolution is in place.
-# This stub prevents platform load errors and keeps the integration stable in 0.3.0.
-
 from homeassistant.core import HomeAssistant
-from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.entity import Entity
+from homeassistant.const import Platform
+
+from .core import DOMAIN
 
 
-async def async_setup_platform(
-    hass: HomeAssistant,
-    config,
-    async_add_entities: AddEntitiesCallback,
-    discovery_info=None,
-):
-    return
+async def async_setup_platform(hass: HomeAssistant, config, async_add_entities, discovery_info=None):
+    core = hass.data.get(DOMAIN)
+    if not core:
+        return
+    async_add_entities([BCSUpdateEntity(core)], True)
+
+
+class BCSUpdateEntity(Entity):
+    _attr_should_poll = False
+
+    def __init__(self, core) -> None:
+        self.core = core
+        self._attr_name = "Bahmcloud Store"
+        self._attr_unique_id = "bahmcloud_store_update"
+        self._attr_icon = "mdi:store"
+
+        self._attr_installed_version = core.version
+        self._attr_latest_version = core.version  # store updates remain manual via replacing files
+
+        core.add_listener(self._handle_update)
+
+    def _handle_update(self) -> None:
+        self._attr_installed_version = self.core.version
+        self._attr_latest_version = self.core.version
+        self.schedule_update_ha_state()
+
+    @property
+    def entity_category(self):
+        return None