diff --git a/sql/updates/auth/4.3.4/2019_10_03_00_auth.sql b/sql/updates/auth/4.3.4/2019_10_03_00_auth.sql
new file mode 100644
index 00000000000..c74a64a3252
--- /dev/null
+++ b/sql/updates/auth/4.3.4/2019_10_03_00_auth.sql
@@ -0,0 +1 @@
+ALTER TABLE `battlenet_accounts` MODIFY COLUMN `os` varchar(5);