diff --git a/composer.json b/composer.json
index c4570bb09..bd1a85af9 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,9 @@
       "adhocore/json-comment": "^1.1",
       "fgrosse/phpasn1": "^2.3",
       "netresearch/jsonmapper": "^4.0",
+      "pocketmine/bedrock-block-upgrade-schema": "^1.0.0",
       "pocketmine/bedrock-data": "~1.13.0+bedrock-1.19.50",
+      "pocketmine/bedrock-item-upgrade-schema": "^1.0.0",
       "pocketmine/bedrock-protocol": "~18.1.0+bedrock-1.19.50",
       "pocketmine/binaryutils": "^0.2.1",
       "pocketmine/callback-validator": "^1.0.2",
diff --git a/composer.lock b/composer.lock
index e8987fccf..6829f4a65 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "2c0f273b515174abfdcef4fc4ad3c262",
+    "content-hash": "a9e05a8358faee33178bac5279d864f4",
     "packages": [
         {
             "name": "adhocore/json-comment",
@@ -248,6 +248,32 @@
             },
             "time": "2022-12-08T20:46:14+00:00"
         },
+        {
+            "name": "pocketmine/bedrock-block-upgrade-schema",
+            "version": "1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/pmmp/BedrockBlockUpgradeSchema.git",
+                "reference": "a05ce434eb7f8c11058d26833bc975fe635b23b4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/pmmp/BedrockBlockUpgradeSchema/zipball/a05ce434eb7f8c11058d26833bc975fe635b23b4",
+                "reference": "a05ce434eb7f8c11058d26833bc975fe635b23b4",
+                "shasum": ""
+            },
+            "type": "library",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "CC0-1.0"
+            ],
+            "description": "Schemas describing how to upgrade saved block data in older Minecraft: Bedrock Edition world saves",
+            "support": {
+                "issues": "https://github.com/pmmp/BedrockBlockUpgradeSchema/issues",
+                "source": "https://github.com/pmmp/BedrockBlockUpgradeSchema/tree/1.0.0"
+            },
+            "time": "2023-02-01T21:09:54+00:00"
+        },
         {
             "name": "pocketmine/bedrock-data",
             "version": "1.13.0+bedrock-1.19.50",
@@ -274,6 +300,32 @@
             },
             "time": "2022-11-30T16:19:59+00:00"
         },
+        {
+            "name": "pocketmine/bedrock-item-upgrade-schema",
+            "version": "1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/pmmp/BedrockItemUpgradeSchema.git",
+                "reference": "7e53f77ea34ba30b1f94d3c24e64e19d3c4296e7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/pmmp/BedrockItemUpgradeSchema/zipball/7e53f77ea34ba30b1f94d3c24e64e19d3c4296e7",
+                "reference": "7e53f77ea34ba30b1f94d3c24e64e19d3c4296e7",
+                "shasum": ""
+            },
+            "type": "library",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "CC0-1.0"
+            ],
+            "description": "JSON schemas for upgrading items found in older Minecraft: Bedrock world saves",
+            "support": {
+                "issues": "https://github.com/pmmp/BedrockItemUpgradeSchema/issues",
+                "source": "https://github.com/pmmp/BedrockItemUpgradeSchema/tree/1.0.0"
+            },
+            "time": "2023-02-01T22:50:02+00:00"
+        },
         {
             "name": "pocketmine/bedrock-protocol",
             "version": "18.1.0+bedrock-1.19.50",
diff --git a/src/CoreConstants.php b/src/CoreConstants.php
index 7b0345b1c..c18486237 100644
--- a/src/CoreConstants.php
+++ b/src/CoreConstants.php
@@ -37,4 +37,6 @@ define('pocketmine\PATH', dirname(__DIR__) . '/');
 define('pocketmine\RESOURCE_PATH', dirname(__DIR__) . '/resources/');
 define('pocketmine\BEDROCK_DATA_PATH', dirname(__DIR__) . '/vendor/pocketmine/bedrock-data/');
 define('pocketmine\LOCALE_DATA_PATH', dirname(__DIR__) . '/vendor/pocketmine/locale-data/');
+define('pocketmine\BEDROCK_BLOCK_UPGRADE_SCHEMA_PATH', dirname(__DIR__) . '/vendor/pocketmine/bedrock-block-upgrade-schema/');
+define('pocketmine\BEDROCK_ITEM_UPGRADE_SCHEMA_PATH', dirname(__DIR__) . '/vendor/pocketmine/bedrock-item-upgrade-schema/');
 define('pocketmine\COMPOSER_AUTOLOADER_PATH', dirname(__DIR__) . '/vendor/autoload.php');
diff --git a/src/data/bedrock/LegacyBlockIdToStringIdMap.php b/src/data/bedrock/LegacyBlockIdToStringIdMap.php
index 35c24caf9..8b4a1365c 100644
--- a/src/data/bedrock/LegacyBlockIdToStringIdMap.php
+++ b/src/data/bedrock/LegacyBlockIdToStringIdMap.php
@@ -30,6 +30,6 @@ final class LegacyBlockIdToStringIdMap extends LegacyToStringBidirectionalIdMap{
 	use SingletonTrait;
 
 	public function __construct(){
-		parent::__construct(Path::join(\pocketmine\BEDROCK_DATA_PATH, 'block_id_map.json'));
+		parent::__construct(Path::join(\pocketmine\BEDROCK_BLOCK_UPGRADE_SCHEMA_PATH, 'block_legacy_id_map.json'));
 	}
 }
diff --git a/src/data/bedrock/LegacyItemIdToStringIdMap.php b/src/data/bedrock/LegacyItemIdToStringIdMap.php
index 254ad96bb..9f5c257dd 100644
--- a/src/data/bedrock/LegacyItemIdToStringIdMap.php
+++ b/src/data/bedrock/LegacyItemIdToStringIdMap.php
@@ -30,6 +30,6 @@ final class LegacyItemIdToStringIdMap extends LegacyToStringBidirectionalIdMap{
 	use SingletonTrait;
 
 	public function __construct(){
-		parent::__construct(Path::join(\pocketmine\BEDROCK_DATA_PATH, 'item_id_map.json'));
+		parent::__construct(Path::join(\pocketmine\BEDROCK_ITEM_UPGRADE_SCHEMA_PATH, 'item_id_map.json'));
 	}
 }