diff --git a/WowPacketParser/Enums/ClientVersionBuild.cs b/WowPacketParser/Enums/ClientVersionBuild.cs
index 3fa1ee96bd..8c495ea016 100644
--- a/WowPacketParser/Enums/ClientVersionBuild.cs
+++ b/WowPacketParser/Enums/ClientVersionBuild.cs
@@ -714,6 +714,7 @@ public enum ClientVersionBuild
         V12_1_0_69299 = 69299,
         V12_1_0_69323 = 69323,
         V12_1_0_69382 = 69382,
+        V12_1_0_69404 = 69404,
 
         // Classic
         V1_13_2_31446 = 31446,
diff --git a/WowPacketParser/Enums/Version/Opcodes.cs b/WowPacketParser/Enums/Version/Opcodes.cs
index ad8f27def7..de898a9948 100644
--- a/WowPacketParser/Enums/Version/Opcodes.cs
+++ b/WowPacketParser/Enums/Version/Opcodes.cs
@@ -904,6 +904,7 @@ public static ClientVersionBuild GetOpcodeDefiningBuild(ClientVersionBuild build
                 case ClientVersionBuild.V12_1_0_69299:
                 case ClientVersionBuild.V12_1_0_69323:
                 case ClientVersionBuild.V12_1_0_69382:
+                case ClientVersionBuild.V12_1_0_69404:
                     return ClientVersionBuild.V12_1_0_69214;
                 case ClientVersionBuild.V1_13_2_31446:
                 case ClientVersionBuild.V1_13_2_31650:
diff --git a/WowPacketParser/Enums/Version/UpdateFields.cs b/WowPacketParser/Enums/Version/UpdateFields.cs
index 0955a19858..e5e2242d8e 100644
--- a/WowPacketParser/Enums/Version/UpdateFields.cs
+++ b/WowPacketParser/Enums/Version/UpdateFields.cs
@@ -1077,6 +1077,7 @@ private static ClientVersionBuild GetUpdateFieldDictionaryBuild(ClientVersionBui
                 case ClientVersionBuild.V12_1_0_69299:
                 case ClientVersionBuild.V12_1_0_69323:
                 case ClientVersionBuild.V12_1_0_69382:
+                case ClientVersionBuild.V12_1_0_69404:
                 {
                     return ClientVersionBuild.V12_1_0_69214;
                 }
diff --git a/WowPacketParser/Misc/ClientVersion.cs b/WowPacketParser/Misc/ClientVersion.cs
index ee4593f276..baa35dc5b7 100644
--- a/WowPacketParser/Misc/ClientVersion.cs
+++ b/WowPacketParser/Misc/ClientVersion.cs
@@ -713,6 +713,7 @@ public static class ClientVersion
             new KeyValuePair<ClientVersionBuild, DateTime>(ClientVersionBuild.V12_1_0_69299, new DateTime(2026, 08, 13, 18, 58, 00)),
             new KeyValuePair<ClientVersionBuild, DateTime>(ClientVersionBuild.V12_1_0_69323, new DateTime(2026, 08, 17)),
             new KeyValuePair<ClientVersionBuild, DateTime>(ClientVersionBuild.V12_1_0_69382, new DateTime(2026, 08, 18)),
+            new KeyValuePair<ClientVersionBuild, DateTime>(ClientVersionBuild.V12_1_0_69404, new DateTime(2026, 08, 20)),
 
             // no classic info, pkt contain build in header
         };
@@ -1416,6 +1417,7 @@ public static ClientVersionBuild GetVersionDefiningBuild(ClientVersionBuild buil
                 case ClientVersionBuild.V12_1_0_69299:
                 case ClientVersionBuild.V12_1_0_69323:
                 case ClientVersionBuild.V12_1_0_69382:
+                case ClientVersionBuild.V12_1_0_69404:
                     return ClientVersionBuild.V12_0_0_65390;
                 //Classic
                 case ClientVersionBuild.V1_13_2_31446: