diff --git a/backend/migrations/20260127132617_add_cascade_delete_for_backups_and_databases.sql b/backend/migrations/20260127132617_add_cascade_delete_for_backups_and_databases.sql
index 43d9dac..270803f 100644
--- a/backend/migrations/20260127132617_add_cascade_delete_for_backups_and_databases.sql
+++ b/backend/migrations/20260127132617_add_cascade_delete_for_backups_and_databases.sql
@@ -1,7 +1,6 @@
 -- +goose Up
 -- +goose StatementBegin
 
--- Fix backups -> storages relationship (change from RESTRICT to CASCADE)
 ALTER TABLE backups
     DROP CONSTRAINT fk_backups_storage_id;
 
@@ -11,7 +10,6 @@ ALTER TABLE backups
     REFERENCES storages (id)
     ON DELETE CASCADE;
 
--- Fix databases -> workspaces relationship (add CASCADE)
 ALTER TABLE databases
     DROP CONSTRAINT fk_databases_workspace_id;
 
@@ -21,12 +19,20 @@ ALTER TABLE databases
     REFERENCES workspaces (id)
     ON DELETE CASCADE;
 
+ALTER TABLE backup_configs
+    DROP CONSTRAINT fk_backup_config_storage_id;
+
+ALTER TABLE backup_configs
+    ADD CONSTRAINT fk_backup_config_storage_id
+    FOREIGN KEY (storage_id)
+    REFERENCES storages (id)
+    ON DELETE CASCADE;
+
 -- +goose StatementEnd
 
 -- +goose Down
 -- +goose StatementBegin
 
--- Restore original backups -> storages relationship (RESTRICT)
 ALTER TABLE backups
     DROP CONSTRAINT fk_backups_storage_id;
 
@@ -36,7 +42,6 @@ ALTER TABLE backups
     REFERENCES storages (id)
     ON DELETE RESTRICT;
 
--- Restore original databases -> workspaces relationship (no CASCADE)
 ALTER TABLE databases
     DROP CONSTRAINT fk_databases_workspace_id;
 
@@ -45,4 +50,12 @@ ALTER TABLE databases
     FOREIGN KEY (workspace_id)
     REFERENCES workspaces (id);
 
+ALTER TABLE backup_configs
+    DROP CONSTRAINT fk_backup_config_storage_id;
+
+ALTER TABLE backup_configs
+    ADD CONSTRAINT fk_backup_config_storage_id
+    FOREIGN KEY (storage_id)
+    REFERENCES storages (id);
+
 -- +goose StatementEnd