diff --git a/migrations/versions/0439_add_index_n_history.py b/migrations/versions/0439_add_index_n_history.py
new file mode 100644
index 0000000000..8c9645d0db
--- /dev/null
+++ b/migrations/versions/0439_add_index_n_history.py
@@ -0,0 +1,25 @@
+"""
+
+Revision ID: 0439_add_index_n_history
+Revises: 0438_sms_templates_msgs_left
+Create Date: 2023-10-05 00:00:00
+
+"""
+from datetime import datetime
+
+from alembic import op
+
+revision = "0439_add_index_n_history"
+down_revision = "0438_sms_templates_msgs_left"
+
+
+# option 1
+def upgrade():
+    op.execute("COMMIT")
+    op.create_index(
+        op.f("ix_notification_history_created_by_id"), "notification_history", ["created_by_id"], postgresql_concurrently=True
+    )
+
+
+def downgrade():
+    op.drop_index(op.f("ix_notification_history_created_by_id"), table_name="notification_history")