diff --git a/sql/base/auth_database.sql b/sql/base/auth_database.sql
index 0b7b0d9fcb..600bcbd44c 100644
--- a/sql/base/auth_database.sql
+++ b/sql/base/auth_database.sql
@@ -1561,7 +1561,14 @@ INSERT INTO `build_auth_key` VALUES
 (66666,'Mac','x64','WoWC',0x8A98C6903755FD3B4241569B76A92B3F),
 (66666,'Win','A64','WoW',0x5BC22F3E44F9E25C24A6EA4716A19B17),
 (66666,'Win','x64','WoW',0xAE2F669B86BEC87F325539F9017E7338),
-(66666,'Win','x64','WoWC',0xD9BD5A15ED5DCABB77823D9AD30B3E0B);
+(66666,'Win','x64','WoWC',0xD9BD5A15ED5DCABB77823D9AD30B3E0B),
+(66709,'Mac','A64','WoW',0x396B922D343C50BEBEBFC74D30ED08C3),
+(66709,'Mac','A64','WoWC',0x22D9162DE5B1812997AE2103DB7E0A7B),
+(66709,'Mac','x64','WoW',0x86D1677AE56A5E8081FF6A2DA57B1D3F),
+(66709,'Mac','x64','WoWC',0x09FA12BA5EFFAB4991B67C8023859A0F),
+(66709,'Win','A64','WoW',0x57B21A0711347B6C331700CDB99D8062),
+(66709,'Win','x64','WoW',0xA5BE6D5379CADEE2D78ECF1F8D2B655B),
+(66709,'Win','x64','WoWC',0x3099082D2374A9BDBCEF42B00811383A);
 /*!40000 ALTER TABLE `build_auth_key` ENABLE KEYS */;
 UNLOCK TABLES;
 
@@ -2004,7 +2011,8 @@ INSERT INTO `build_info` VALUES
 (66431,12,0,1,NULL),
 (66527,12,0,1,NULL),
 (66562,12,0,1,NULL),
-(66666,12,0,1,NULL);
+(66666,12,0,1,NULL),
+(66709,12,0,1,NULL);
 /*!40000 ALTER TABLE `build_info` ENABLE KEYS */;
 UNLOCK TABLES;
 
@@ -3617,7 +3625,7 @@ CREATE TABLE `realmlist` (
   `timezone` tinyint unsigned NOT NULL DEFAULT '0',
   `allowedSecurityLevel` tinyint unsigned NOT NULL DEFAULT '0',
   `population` float NOT NULL DEFAULT '0',
-  `gamebuild` int unsigned NOT NULL DEFAULT '66666',
+  `gamebuild` int unsigned NOT NULL DEFAULT '66709',
   `Region` tinyint unsigned NOT NULL DEFAULT '1',
   `Battlegroup` tinyint unsigned NOT NULL DEFAULT '1',
   PRIMARY KEY (`id`),
@@ -3632,7 +3640,7 @@ CREATE TABLE `realmlist` (
 LOCK TABLES `realmlist` WRITE;
 /*!40000 ALTER TABLE `realmlist` DISABLE KEYS */;
 INSERT INTO `realmlist` VALUES
-(1,'Trinity','127.0.0.1','127.0.0.1',NULL,NULL,'255.255.255.0',8085,0,0,1,0,0,66666,1,1);
+(1,'Trinity','127.0.0.1','127.0.0.1',NULL,NULL,'255.255.255.0',8085,0,0,1,0,0,66709,1,1);
 /*!40000 ALTER TABLE `realmlist` ENABLE KEYS */;
 UNLOCK TABLES;
 
@@ -4190,7 +4198,8 @@ INSERT INTO `updates` VALUES
 ('2026_03_20_00_auth.sql','9083386953291DA3D0634E90D40863F7625FF37E','RELEASED','2026-03-20 01:11:00',0),
 ('2026_03_21_00_auth.sql','6D47EFD7FBCD159F5BC5B5A6020E61824280E92A','RELEASED','2026-03-21 00:08:26',0),
 ('2026_03_25_00_auth.sql','1407469EAE26B180ABA3A3802C429A031B241C67','RELEASED','2026-03-25 09:28:09',0),
-('2026_03_26_00_auth.sql','85B672D6B69E3AF187F413B8D1788FF948744CDA','RELEASED','2026-03-26 21:31:03',0);
+('2026_03_26_00_auth.sql','85B672D6B69E3AF187F413B8D1788FF948744CDA','RELEASED','2026-03-26 21:31:03',0),
+('2026_03_28_00_auth.sql','510B4485FF9865D7E2F6AEE8DFA8A50285362C8B','RELEASED','2026-03-28 01:05:32',0);
 /*!40000 ALTER TABLE `updates` ENABLE KEYS */;
 UNLOCK TABLES;
 
diff --git a/sql/updates/auth/master/2026_03_28_00_auth.sql b/sql/updates/auth/master/2026_03_28_00_auth.sql
new file mode 100644
index 0000000000..e4b3050bb3
--- /dev/null
+++ b/sql/updates/auth/master/2026_03_28_00_auth.sql
@@ -0,0 +1,23 @@
+DELETE FROM `build_info` WHERE `build` IN (66709);
+INSERT INTO `build_info` (`build`,`majorVersion`,`minorVersion`,`bugfixVersion`,`hotfixVersion`) VALUES
+(66709,12,0,1,NULL);
+
+DELETE FROM `build_auth_key` WHERE `build`=66709 AND `platform`='Mac' AND `arch`='A64' AND `type`='WoW';
+DELETE FROM `build_auth_key` WHERE `build`=66709 AND `platform`='Mac' AND `arch`='A64' AND `type`='WoWC';
+DELETE FROM `build_auth_key` WHERE `build`=66709 AND `platform`='Mac' AND `arch`='x64' AND `type`='WoW';
+DELETE FROM `build_auth_key` WHERE `build`=66709 AND `platform`='Mac' AND `arch`='x64' AND `type`='WoWC';
+DELETE FROM `build_auth_key` WHERE `build`=66709 AND `platform`='Win' AND `arch`='A64' AND `type`='WoW';
+DELETE FROM `build_auth_key` WHERE `build`=66709 AND `platform`='Win' AND `arch`='x64' AND `type`='WoW';
+DELETE FROM `build_auth_key` WHERE `build`=66709 AND `platform`='Win' AND `arch`='x64' AND `type`='WoWC';
+INSERT INTO `build_auth_key` (`build`,`platform`,`arch`,`type`,`key`) VALUES
+(66709,'Mac','A64','WoW',0x396B922D343C50BEBEBFC74D30ED08C3),
+(66709,'Mac','A64','WoWC',0x22D9162DE5B1812997AE2103DB7E0A7B),
+(66709,'Mac','x64','WoW',0x86D1677AE56A5E8081FF6A2DA57B1D3F),
+(66709,'Mac','x64','WoWC',0x09FA12BA5EFFAB4991B67C8023859A0F),
+(66709,'Win','A64','WoW',0x57B21A0711347B6C331700CDB99D8062),
+(66709,'Win','x64','WoW',0xA5BE6D5379CADEE2D78ECF1F8D2B655B),
+(66709,'Win','x64','WoWC',0x3099082D2374A9BDBCEF42B00811383A);
+
+UPDATE `realmlist` SET `gamebuild`=66709 WHERE `gamebuild`=66666;
+
+ALTER TABLE `realmlist` CHANGE `gamebuild` `gamebuild` int unsigned NOT NULL DEFAULT '66709';