diff --git a/supervisor/homeassistant/websocket.py b/supervisor/homeassistant/websocket.py
index 74d18c253db..e377015c8b9 100644
--- a/supervisor/homeassistant/websocket.py
+++ b/supervisor/homeassistant/websocket.py
@@ -34,7 +34,7 @@
     WSType.SUPERVISOR_EVENT: "2021.2.4",
     WSType.BACKUP_START: "2022.1.0",
     WSType.BACKUP_END: "2022.1.0",
-    WSType.BACKUP_COMPLETE: "2024.11.99",
+    WSType.BACKUP_COMPLETE: "2025.11.99",
 }
 
 _LOGGER: logging.Logger = logging.getLogger(__name__)
diff --git a/tests/backups/test_manager.py b/tests/backups/test_manager.py
index f0055e1d069..fdff34039a3 100644
--- a/tests/backups/test_manager.py
+++ b/tests/backups/test_manager.py
@@ -1981,7 +1981,7 @@ async def test_partial_backup_complete_ws_message(
     """Test WS message notifies core when a partial backup is complete."""
     coresys.core.state = CoreState.RUNNING
     coresys.hardware.disk.get_disk_free_space = lambda x: 5000
-    ha_ws_client.ha_version = AwesomeVersion("2024.12.0")
+    ha_ws_client.ha_version = AwesomeVersion("2025.12.0")
 
     # Test a partial backup
     job, backup_task = coresys.jobs.schedule_job(
@@ -2013,7 +2013,7 @@ async def test_full_backup_complete_ws_message(
     """Test WS message notifies core when a full backup is complete."""
     coresys.core.state = CoreState.RUNNING
     coresys.hardware.disk.get_disk_free_space = lambda x: 5000
-    ha_ws_client.ha_version = AwesomeVersion("2024.12.0")
+    ha_ws_client.ha_version = AwesomeVersion("2025.12.0")
 
     # Test a full backup
     job, backup_task = coresys.jobs.schedule_job(