diff --git a/UPDATING.md b/UPDATING.md
index 3e2d5da22604..f2f8e270baec 100644
--- a/UPDATING.md
+++ b/UPDATING.md
@@ -31,6 +31,8 @@ assists people when migrating to a new version.
 
 ### Potential Downtime
 
+- [16756](https://github.com/apache/incubator-superset/pull/16756): a change which renames the `dbs.allow_csv_upload` column to `dbs.allow_file_upload` via a (potentially locking) DDL operation.
+
 ### Deprecations
 
 ### Other