diff --git a/homeassistant/components/bring/event.py b/homeassistant/components/bring/event.py
index 2dc173b6e42..699dba9015a 100644
--- a/homeassistant/components/bring/event.py
+++ b/homeassistant/components/bring/event.py
@@ -103,6 +103,6 @@ class BringEventEntity(BringBaseEntity, EventEntity):
         await super().async_added_to_hass()
         self._async_handle_event()
 
-    def _handle_coordinator_update(self):
+    def _handle_coordinator_update(self) -> None:
         self._async_handle_event()
         return super()._handle_coordinator_update()