diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java b/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java
index 51ea66393..78dda06d0 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java
@@ -55,7 +55,7 @@ public class ProtocolConstants
     public static final int MINECRAFT_1_21_9 = 773;
     public static final int MINECRAFT_1_21_11 = 774;
     public static final int MINECRAFT_26_1 = 775;
-    public static final int MINECRAFT_26_2 = 1073742137;
+    public static final int MINECRAFT_26_2 = 1073742140;
     public static final List<String> SUPPORTED_VERSIONS;
     public static final List<Integer> SUPPORTED_VERSION_IDS;
 
diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/LoginSuccess.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/LoginSuccess.java
index 4da4d147f..a9d9e21a4 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/packet/LoginSuccess.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/LoginSuccess.java
@@ -21,6 +21,7 @@ public class LoginSuccess extends DefinedPacket
     private UUID uuid;
     private String username;
     private Property[] properties;
+    private UUID sessionId;
 
     @Override
     public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
@@ -42,6 +43,10 @@ public class LoginSuccess extends DefinedPacket
             // Whether the client should disconnect on its own if it receives invalid data from the server
             buf.readBoolean();
         }
+        if ( protocolVersion >= ProtocolConstants.MINECRAFT_26_2 )
+        {
+            sessionId = readUUID( buf );
+        }
     }
 
     @Override
@@ -65,6 +70,10 @@ public class LoginSuccess extends DefinedPacket
             // Vanilla sends true so we also send true
             buf.writeBoolean( true );
         }
+        if ( protocolVersion >= ProtocolConstants.MINECRAFT_26_2 )
+        {
+            writeUUID( sessionId, buf );
+        }
     }
 
     @Override
diff --git a/proxy/src/main/java/net/md_5/bungee/ServerConnector.java b/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
index 4082cf9dc..f620dcc8f 100644
--- a/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
+++ b/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
@@ -386,7 +386,7 @@ public class ServerConnector extends PacketHandler
             } else
             {
                 LoginResult loginProfile = user.getPendingConnection().getLoginProfile();
-                user.unsafe().sendPacket( new LoginSuccess( user.getRewriteId(), user.getName(), ( loginProfile == null ) ? null : loginProfile.getProperties() ) );
+                user.unsafe().sendPacket( new LoginSuccess( user.getRewriteId(), user.getName(), ( loginProfile == null ) ? null : loginProfile.getProperties(), user.getSessionId() ) );
                 user.getCh().setEncodeProtocol( Protocol.CONFIGURATION );
             }
         }
diff --git a/proxy/src/main/java/net/md_5/bungee/UserConnection.java b/proxy/src/main/java/net/md_5/bungee/UserConnection.java
index fad6835de..5d13845af 100644
--- a/proxy/src/main/java/net/md_5/bungee/UserConnection.java
+++ b/proxy/src/main/java/net/md_5/bungee/UserConnection.java
@@ -131,6 +131,8 @@ public final class UserConnection implements ProxiedPlayer
     private final Collection<String> permissions = new CaseInsensitiveSet();
     /*========================================================================*/
     @Getter
+    private final UUID sessionId = UUID.randomUUID();
+    @Getter
     @Setter
     private int clientEntityId;
     @Getter
diff --git a/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java b/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
index b2c9926b4..7575977ae 100644
--- a/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
+++ b/proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
@@ -621,7 +621,7 @@ public class InitialHandler extends PacketHandler implements PendingConnection
 
                 if ( getVersion() < ProtocolConstants.MINECRAFT_1_20_2 )
                 {
-                    unsafe.sendPacket( new LoginSuccess( getRewriteId(), getName(), ( loginProfile == null ) ? null : loginProfile.getProperties() ) );
+                    unsafe.sendPacket( new LoginSuccess( getRewriteId(), getName(), ( loginProfile == null ) ? null : loginProfile.getProperties(), null ) );
                     ch.setProtocol( Protocol.GAME );
                 }
                 finish2();