diff --git a/sql/mysql/upgrade/1.2.1/1.2.1.sql b/sql/mysql/upgrade/1.2.1/1.2.1.sql
index ddeaf47..85d294e 100644
--- a/sql/mysql/upgrade/1.2.1/1.2.1.sql
+++ b/sql/mysql/upgrade/1.2.1/1.2.1.sql
@@ -1,2 +1,3 @@
 ALTER TABLE folders ADD COLUMN inherit_parent_folder_permission BIT;
-UPDATE folders SET inherit_parent_folder_permission = 1;
\ No newline at end of file
+UPDATE folders SET inherit_parent_folder_permission = 1;
+UPDATE system_settings SET value="1.2.1" WHERE name="knowledgeTreeVersion";
\ No newline at end of file