diff --git a/sql/mysql/upgrade/mrc/1.2.1.sql b/sql/mysql/upgrade/mrc/1.2.1.sql
new file mode 100644
index 0000000..728b902
--- /dev/null
+++ b/sql/mysql/upgrade/mrc/1.2.1.sql
@@ -0,0 +1,4 @@
+ALTER TABLE folders ADD COLUMN inherit_parent_folder_permission BIT;
+UPDATE folders SET inherit_parent_folder_permission = 1;
+UPDATE documents set status_id = 1;
+UPDATE system_settings SET value="1.2.1" WHERE name="knowledgeTreeVersion";
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