diff --git a/homeassistant/components/bang_olufsen/manifest.json b/homeassistant/components/bang_olufsen/manifest.json
index b4a92d4da25..1565c98e979 100644
--- a/homeassistant/components/bang_olufsen/manifest.json
+++ b/homeassistant/components/bang_olufsen/manifest.json
@@ -6,6 +6,6 @@
   "documentation": "https://www.home-assistant.io/integrations/bang_olufsen",
   "integration_type": "device",
   "iot_class": "local_push",
-  "requirements": ["mozart-api==4.1.1.116.0"],
+  "requirements": ["mozart-api==4.1.1.116.3"],
   "zeroconf": ["_bangolufsen._tcp.local."]
 }
diff --git a/homeassistant/components/bang_olufsen/websocket.py b/homeassistant/components/bang_olufsen/websocket.py
index 913f7cb3241..ff3ad849e92 100644
--- a/homeassistant/components/bang_olufsen/websocket.py
+++ b/homeassistant/components/bang_olufsen/websocket.py
@@ -15,7 +15,7 @@ from mozart_api.models import (
     VolumeState,
     WebsocketNotificationTag,
 )
-from mozart_api.mozart_client import MozartClient
+from mozart_api.mozart_client import BaseWebSocketResponse, MozartClient
 
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
@@ -202,12 +202,15 @@ class BangOlufsenWebsocket(BangOlufsenBase):
                 sw_version=software_status.software_version,
             )
 
-    def on_all_notifications_raw(self, notification: dict) -> None:
+    def on_all_notifications_raw(self, notification: BaseWebSocketResponse) -> None:
         """Receive all notifications."""
 
-        # Add the device_id and serial_number to the notification
-        notification["device_id"] = self._device.id
-        notification["serial_number"] = int(self._unique_id)
-
         _LOGGER.debug("%s", notification)
-        self.hass.bus.async_fire(BANG_OLUFSEN_WEBSOCKET_EVENT, notification)
+        self.hass.bus.async_fire(
+            BANG_OLUFSEN_WEBSOCKET_EVENT,
+            {
+                "device_id": self._device.id,
+                "serial_number": int(self._unique_id),
+                **notification,
+            },
+        )
diff --git a/requirements_all.txt b/requirements_all.txt
index 7d607c9f616..fe6cdaa78bb 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1403,7 +1403,7 @@ motionblindsble==0.1.2
 motioneye-client==0.3.14
 
 # homeassistant.components.bang_olufsen
-mozart-api==4.1.1.116.0
+mozart-api==4.1.1.116.3
 
 # homeassistant.components.mullvad
 mullvad-api==1.0.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 20da630f37c..007ab7a3fa3 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1172,7 +1172,7 @@ motionblindsble==0.1.2
 motioneye-client==0.3.14
 
 # homeassistant.components.bang_olufsen
-mozart-api==4.1.1.116.0
+mozart-api==4.1.1.116.3
 
 # homeassistant.components.mullvad
 mullvad-api==1.0.0