diff --git a/backend/migrations/versions/f1c4a8e2d6b3_chat_stats_last_deleted.py b/backend/migrations/versions/f1c4a8e2d6b3_chat_stats_last_deleted.py
index 63210f1..bf9cb53 100644
--- a/backend/migrations/versions/f1c4a8e2d6b3_chat_stats_last_deleted.py
+++ b/backend/migrations/versions/f1c4a8e2d6b3_chat_stats_last_deleted.py
@@ -1,7 +1,7 @@
 """chat stats last deleted
 
 Revision ID: f1c4a8e2d6b3
-Revises: e8b3f1a6c2d4
+Revises: d8f1a6c3e5b7
 Create Date: 2026-10-19 04:00:00.000000
 
 """
@@ -11,7 +11,7 @@ from collections.abc import Sequence
 from alembic import op
 
 revision: str = "f1c4a8e2d6b3"
-down_revision: str | None = "e8b3f1a6c2d4"
+down_revision: str | None = "d8f1a6c3e5b7"
 branch_labels: str | Sequence[str] | None = None
 depends_on: str | Sequence[str] | None = None