diff --git a/Upgrade.md b/Upgrade.md
index 61178b4..5b268b4 100644
--- a/Upgrade.md
+++ b/Upgrade.md
@@ -3,6 +3,7 @@
 ##### SQL Update
 ```
 ALTER TABLE Smartlock ADD COLUMN `liftUpHandle` BOOLEAN NOT NULL AFTER `ledEnabled`;
+ALTER TABLE SmartlockLog DROP COLUMN `accountUserId`;
 ```