Try this style of update tasks of the establishments

apps/establishment/tasks.py

@@ -4,11 +4,14 @@ import logging
 from celery import shared_task
 from celery.schedules import crontab
 from celery.task import periodic_task
+
 from django.core import management
 from django_elasticsearch_dsl.management.commands import search_index
 
+from django_elasticsearch_dsl.registries import registry
 from establishment import models
 from location.models import Country
+from search_indexes.documents.establishment import EstablishmentDocument
 
 logger = logging.getLogger(__name__)
 
@@ -25,7 +28,18 @@ def recalculate_price_levels_by_country(country_id):
             establishment.recalculate_price_level(low_price=country.low_price,
                                                   high_price=country.high_price)
 
+# @periodic_task(run_every=crontab(minute=59))
+# def rebuild_establishment_indices():
+#     management.call_command(search_index.Command(), action='populate', models=[models.Establishment.__name__],
+#                             force=True)
+
+
 @periodic_task(run_every=crontab(minute=59))
-def rebuild_establishment_indices():
-    management.call_command(search_index.Command(), action='populate', models=[models.Establishment.__name__],
-                            force=True)
+def update_establishment_indices():
+    try:
+        doc = registry.get_documents([models.Establishment]).pop()
+    except KeyError:
+        pass
+    else:
+        qs = doc().get_indexing_queryset()
+        doc().update(qs)