diff --git a/data/packetid/generator/Main.java b/data/packetid/generator/Main.java
new file mode 100644
index 0000000..c3dc392
--- /dev/null
+++ b/data/packetid/generator/Main.java
@@ -0,0 +1,40 @@
+package me.tnze;
+
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import net.minecraft.network.ConnectionProtocol;
+import net.minecraft.network.protocol.Packet;
+import net.minecraft.network.protocol.PacketFlow;
+
+public class Main {
+
+    public static void main(String[] args) throws Exception {
+        handlePackets(ConnectionProtocol.LOGIN.getPacketsByIds(PacketFlow.CLIENTBOUND));
+        System.out.println();
+        handlePackets(ConnectionProtocol.LOGIN.getPacketsByIds(PacketFlow.SERVERBOUND));
+        System.out.println();
+        System.out.println();
+        handlePackets(ConnectionProtocol.STATUS.getPacketsByIds(PacketFlow.CLIENTBOUND));
+        System.out.println();
+        handlePackets(ConnectionProtocol.STATUS.getPacketsByIds(PacketFlow.SERVERBOUND));
+        System.out.println();
+        System.out.println();
+        handlePackets(ConnectionProtocol.PLAY.getPacketsByIds(PacketFlow.CLIENTBOUND));
+        System.out.println();
+        handlePackets(ConnectionProtocol.PLAY.getPacketsByIds(PacketFlow.SERVERBOUND));
+    }
+
+    private static void handlePackets(Int2ObjectMap<Class<? extends Packet<?>>> packets) {
+        for (int i = 0; i < packets.size(); i++) {
+            Class<? extends Packet<?>> c = packets.get(i);
+            String className = c.getSimpleName();
+            if (className.endsWith("Packet"))
+                className = className.substring(0, className.length() - "Packet".length());
+            else {
+                String superClassName = c.getSuperclass().getSimpleName();
+                if (superClassName.endsWith("Packet"))
+                    className = superClassName.substring(0, superClassName.length() - "Packet".length()) + className;
+            }
+            System.out.println(className);
+        }
+    }
+}
\ No newline at end of file
diff --git a/data/packetid/packetid.go b/data/packetid/packetid.go
index 97f39f9..c674a06 100644
--- a/data/packetid/packetid.go
+++ b/data/packetid/packetid.go
@@ -51,8 +51,10 @@ const (
 	ClientboundContainerSetData
 	ClientboundContainerSetSlot
 	ClientboundCooldown
+	ClientboundCustomChatCompletions
 	ClientboundCustomPayload
 	ClientboundCustomSound
+	ClientboundDeleteChat
 	ClientboundDisconnect
 	ClientboundEntityEvent
 	ClientboundExplode
@@ -78,6 +80,7 @@ const (
 	ClientboundPing
 	ClientboundPlaceGhostRecipe
 	ClientboundPlayerAbilities
+	ClientboundPlayerChatHeader
 	ClientboundPlayerChat
 	ClientboundPlayerCombatEnd
 	ClientboundPlayerCombatEnter
@@ -142,6 +145,7 @@ const (
 	ServerboundAcceptTeleportation = iota
 	ServerboundBlockEntityTagQuery
 	ServerboundChangeDifficulty
+	ServerboundChatAck
 	ServerboundChatCommand
 	ServerboundChat
 	ServerboundChatPreview