diff --git a/WowPacketParser/Enums/ClientVersionBuild.cs b/WowPacketParser/Enums/ClientVersionBuild.cs
index 214425d261..2dab6ccba5 100644
--- a/WowPacketParser/Enums/ClientVersionBuild.cs
+++ b/WowPacketParser/Enums/ClientVersionBuild.cs
@@ -680,6 +680,7 @@ public enum ClientVersionBuild
         V12_0_1_66384 = 66384,
         V12_0_1_66431 = 66431,
         V12_0_1_66527 = 66527,
+        V12_0_1_66562 = 66562,
 
         // Classic
         V1_13_2_31446 = 31446,
diff --git a/WowPacketParser/Enums/Version/Opcodes.cs b/WowPacketParser/Enums/Version/Opcodes.cs
index 9bb4273e14..4580676242 100644
--- a/WowPacketParser/Enums/Version/Opcodes.cs
+++ b/WowPacketParser/Enums/Version/Opcodes.cs
@@ -866,6 +866,7 @@ public static ClientVersionBuild GetOpcodeDefiningBuild(ClientVersionBuild build
                 case ClientVersionBuild.V12_0_1_66384:
                 case ClientVersionBuild.V12_0_1_66431:
                 case ClientVersionBuild.V12_0_1_66527:
+                case ClientVersionBuild.V12_0_1_66562:
                     return ClientVersionBuild.V12_0_1_65818;
                 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 7a663fe860..b12a871487 100644
--- a/WowPacketParser/Enums/Version/UpdateFields.cs
+++ b/WowPacketParser/Enums/Version/UpdateFields.cs
@@ -1043,6 +1043,7 @@ private static string GetUpdateFieldDictionaryBuildName(ClientVersionBuild build
                 case ClientVersionBuild.V12_0_1_66384:
                 case ClientVersionBuild.V12_0_1_66431:
                 case ClientVersionBuild.V12_0_1_66527:
+                case ClientVersionBuild.V12_0_1_66562:
                 {
                     return "V12_0_1_65818";
                 }
diff --git a/WowPacketParser/Misc/ClientVersion.cs b/WowPacketParser/Misc/ClientVersion.cs
index 4aa45c7e2e..735e83a18a 100644
--- a/WowPacketParser/Misc/ClientVersion.cs
+++ b/WowPacketParser/Misc/ClientVersion.cs
@@ -684,6 +684,7 @@ public static class ClientVersion
             new KeyValuePair<ClientVersionBuild, DateTime>(ClientVersionBuild.V12_0_1_66384, new DateTime(2026, 03, 14)),
             new KeyValuePair<ClientVersionBuild, DateTime>(ClientVersionBuild.V12_0_1_66431, new DateTime(2026, 03, 18)),
             new KeyValuePair<ClientVersionBuild, DateTime>(ClientVersionBuild.V12_0_1_66527, new DateTime(2026, 03, 20)),
+            new KeyValuePair<ClientVersionBuild, DateTime>(ClientVersionBuild.V12_0_1_66562, new DateTime(2026, 03, 24)),
 
             // no classic info, pkt contain build in header
         };
@@ -1356,6 +1357,7 @@ public static ClientVersionBuild GetVersionDefiningBuild(ClientVersionBuild buil
                 case ClientVersionBuild.V12_0_1_66384:
                 case ClientVersionBuild.V12_0_1_66431:
                 case ClientVersionBuild.V12_0_1_66527:
+                case ClientVersionBuild.V12_0_1_66562:
                     return ClientVersionBuild.V12_0_0_65390;
                 //Classic
                 case ClientVersionBuild.V1_13_2_31446: