diff --git a/WowPacketParser/Enums/ClientVersionBuild.cs b/WowPacketParser/Enums/ClientVersionBuild.cs
index d28164a8a7..81ee1955cf 100644
--- a/WowPacketParser/Enums/ClientVersionBuild.cs
+++ b/WowPacketParser/Enums/ClientVersionBuild.cs
@@ -850,6 +850,7 @@ public enum ClientVersionBuild
         V4_4_1_57359 = 57359, // live
         V4_4_1_57564 = 57564, // live
         V4_4_1_57916 = 57916, // live
+        V4_4_1_58158 = 58158, // live
 
         // Battle.net - should probably not mix this but oh well
         BattleNetV37165 = 37165,
diff --git a/WowPacketParser/Enums/Version/Opcodes.cs b/WowPacketParser/Enums/Version/Opcodes.cs
index 83a33669f4..b507119064 100644
--- a/WowPacketParser/Enums/Version/Opcodes.cs
+++ b/WowPacketParser/Enums/Version/Opcodes.cs
@@ -1004,6 +1004,7 @@ public static ClientVersionBuild GetOpcodeDefiningBuild(ClientVersionBuild build
                 case ClientVersionBuild.V4_4_1_57359:
                 case ClientVersionBuild.V4_4_1_57564:
                 case ClientVersionBuild.V4_4_1_57916:
+                case ClientVersionBuild.V4_4_1_58158:
                     return ClientVersionBuild.V4_4_1_57294;
                 default:
                     return ClientVersionBuild.V3_3_5a_12340;
diff --git a/WowPacketParser/Enums/Version/UpdateFields.cs b/WowPacketParser/Enums/Version/UpdateFields.cs
index 3a8f36d4f7..cf160d2b5c 100644
--- a/WowPacketParser/Enums/Version/UpdateFields.cs
+++ b/WowPacketParser/Enums/Version/UpdateFields.cs
@@ -1226,6 +1226,7 @@ private static string GetUpdateFieldDictionaryBuildName(ClientVersionBuild build
                 case ClientVersionBuild.V4_4_1_57359: // Blizzard changed ActivePlayer in second 4.4.1 build
                 case ClientVersionBuild.V4_4_1_57564:
                 case ClientVersionBuild.V4_4_1_57916:
+                case ClientVersionBuild.V4_4_1_58158:
                 {
                     return "V4_4_1_57359";
                 }
diff --git a/WowPacketParser/Misc/ClientVersion.cs b/WowPacketParser/Misc/ClientVersion.cs
index 3951f227f5..56dd703dc4 100644
--- a/WowPacketParser/Misc/ClientVersion.cs
+++ b/WowPacketParser/Misc/ClientVersion.cs
@@ -1412,6 +1412,7 @@ public static ClientVersionBuild GetVersionDefiningBuild(ClientVersionBuild buil
                 case ClientVersionBuild.V4_4_1_57359:
                 case ClientVersionBuild.V4_4_1_57564:
                 case ClientVersionBuild.V4_4_1_57916:
+                case ClientVersionBuild.V4_4_1_58158:
                     return ClientVersionBuild.V4_4_0_54481;
                 case ClientVersionBuild.BattleNetV37165:
                     return ClientVersionBuild.BattleNetV37165;
@@ -1960,6 +1961,7 @@ public static bool IsCataClientVersionBuild(ClientVersionBuild build)
                 case ClientVersionBuild.V4_4_1_57359:
                 case ClientVersionBuild.V4_4_1_57564:
                 case ClientVersionBuild.V4_4_1_57916:
+                case ClientVersionBuild.V4_4_1_58158:
                     return true;
                 default:
                     return false;