diff --git a/src/item/ItemTypeIds.php b/src/item/ItemTypeIds.php
index cc6a678bb..6db7f7536 100644
--- a/src/item/ItemTypeIds.php
+++ b/src/item/ItemTypeIds.php
@@ -294,5 +294,5 @@ final class ItemTypeIds{
 	public const RAW_GOLD = 20255;
 	public const SPYGLASS = 20256;
 
-	public const FIRST_UNUSED_ITEM_ID = 20239;
+	public const FIRST_UNUSED_ITEM_ID = 20257;
 }