diff --git a/custom_components/bahmcloud_store/__init__.py b/custom_components/bahmcloud_store/__init__.py
index 4236d53..cc9e9c1 100644
--- a/custom_components/bahmcloud_store/__init__.py
+++ b/custom_components/bahmcloud_store/__init__.py
@@ -7,11 +7,7 @@ from homeassistant.core import HomeAssistant
 from homeassistant.const import Platform
 from homeassistant.helpers.discovery import async_load_platform
 from homeassistant.helpers.event import async_track_time_interval
-
-# IMPORTANT:
-# Use the frontend panel registration to keep HA header/sidebar working on mobile,
-# similar to how HACS registers its panel.
-from homeassistant.components.frontend import async_register_built_in_panel
+from homeassistant.components.panel_custom import async_register_panel
 
 from .core import BCSCore, BCSConfig, BCSError
 
@@ -24,39 +20,31 @@ CONF_STORE_URL = "store_url"
 
 
 async def async_setup(hass: HomeAssistant, config: dict) -> bool:
-    # YAML-based config for now:
-    # bahmcloud_store:
-    #   store_url: "https://.../store.yaml"
     cfg = config.get(DOMAIN, {})
     store_url = cfg.get(CONF_STORE_URL, DEFAULT_STORE_URL)
 
     core = BCSCore(hass, BCSConfig(store_url=store_url))
     hass.data[DOMAIN] = core
 
-    # Register HTTP views (static panel assets + API)
     await core.register_http_views()
 
-    # Register panel via frontend (keeps navigation/header on mobile)
-    async_register_built_in_panel(
+    # Custom panel registration (compatible across HA versions)
+    await async_register_panel(
         hass,
-        component_name="custom",
+        frontend_url_path="bahmcloud-store",
+        webcomponent_name="bahmcloud-store-panel",
+        module_url="/api/bahmcloud_store_static/panel.js?v=32",
         sidebar_title="Bahmcloud Store",
         sidebar_icon="mdi:store",
-        frontend_url_path="bahmcloud-store",
-        config={},
         require_admin=True,
-        # module_url must be reachable without auth (we already serve it public)
-        # Cache-busting is fine here.
-        module_url="/api/bahmcloud_store_static/panel.js?v=31",
+        config={},
     )
 
-    # Initial refresh (index + custom repos + enrichment)
     try:
         await core.refresh()
     except BCSError as e:
         _LOGGER.error("Initial refresh failed: %s", e)
 
-    # Periodic refresh (data only; no auto installs)
     async def periodic(_now) -> None:
         try:
             await core.refresh()
@@ -67,7 +55,5 @@ async def async_setup(hass: HomeAssistant, config: dict) -> bool:
     interval = timedelta(seconds=int(core.refresh_seconds or 300))
     async_track_time_interval(hass, periodic, interval)
 
-    # Update platform is a stub in 0.3.x (keeps integration stable)
     await async_load_platform(hass, Platform.UPDATE, DOMAIN, {}, config)
-
     return True