diff --git a/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/State.java b/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/State.java
index d963a59..8d52cf5 100644
--- a/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/State.java
+++ b/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/State.java
@@ -87,6 +87,7 @@ public enum State {
                     .put(BossBarPacket.class, 0x0C)
                     .put(ChatMessageServerPacket.class, 0x0F)
                     .put(PluginMessagePacket.class, 0x18)
+                    .put(UnloadChunkPacket.class, 0x1D)
                     .put(ChangeGameState.class, 0x1E)
                     .put(KeepAlivePacket.class, 0x1F)
                     .put(ChunkDataPacket.class, 0x20)
diff --git a/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/UnloadChunkPacket.java b/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/UnloadChunkPacket.java
new file mode 100644
index 0000000..5bcfe15
--- /dev/null
+++ b/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/UnloadChunkPacket.java
@@ -0,0 +1,16 @@
+package mc.core.network.proto_1_12_2.packets;
+
+import lombok.Setter;
+import mc.core.network.NetOutputStream;
+import mc.core.network.SCPacket;
+
+public class UnloadChunkPacket implements SCPacket {
+    @Setter
+    private int x, z;
+
+    @Override
+    public void writeSelf(NetOutputStream netStream) {
+        netStream.writeInt(x);
+        netStream.writeInt(z);
+    }
+}