diff --git a/pipeline/engine/models/core.py b/pipeline/engine/models/core.py
index 06aacab09..51d4ad67a 100644
--- a/pipeline/engine/models/core.py
+++ b/pipeline/engine/models/core.py
@@ -496,11 +496,9 @@ def destroy_and_wake_up_parent(self, destination_id):
         data_service.set_object(self._context_key(), self.top_pipeline.context)
         data_service.set_object(self._data_key(), self.top_pipeline.data)
 
-        with transaction.atomic():
-            parent = self.__class__.objects.select_for_update().get(id=self.parent_id)
-            parent.ack_num += 1
-            parent.save()
-
+        self.__class__.objects.filter(id=self.parent_id).update(
+            ack_num=models.F("ack_num") + 1
+        )
         can_wake_up = False
 
         with transaction.atomic():