diff --git a/.github/changelogs/4.x/en_us.md b/.github/changelogs/4.x/en_us.md
index 6ad9d78..b7b7831 100644
--- a/.github/changelogs/4.x/en_us.md
+++ b/.github/changelogs/4.x/en_us.md
@@ -2,6 +2,16 @@
 
 ## 4.1.x
 
+### 4.1.10
+
+#### :arrow_heading_up: follow PMMP changes
+
+- Added support for PMMP 4.20.x (Minecraft 1.19.80~)
+
+#### :bug: bug fixes
+
+- Fixed a server crash when a player entered the server.
+
 ### 4.1.9
 
 #### :arrow_heading_up: follow PMMP changes
diff --git a/.github/changelogs/4.x/ja_jp.md b/.github/changelogs/4.x/ja_jp.md
index 27ab0b4..0fbcb39 100644
--- a/.github/changelogs/4.x/ja_jp.md
+++ b/.github/changelogs/4.x/ja_jp.md
@@ -2,6 +2,16 @@
 
 ## 4.1.x
 
+### 4.1.10
+
+#### :arrow_heading_up: PMMPの変更に追従
+
+- PMMP 4.20.x (Minecraft 1.19.80~) に対応しました
+
+#### :bug: バグ修正
+
+- プレイヤーがサーバーに入ったときにサーバーがクラッシュするのを修正しました。
+
 ### 4.1.9
 
 #### :arrow_heading_up: PMMPの変更に追従
diff --git a/composer.lock b/composer.lock
index 14332a2..6774c47 100644
--- a/composer.lock
+++ b/composer.lock
@@ -103,26 +103,25 @@
         },
         {
             "name": "brick/math",
-            "version": "0.10.2",
+            "version": "0.11.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/brick/math.git",
-                "reference": "459f2781e1a08d52ee56b0b1444086e038561e3f"
+                "reference": "0ad82ce168c82ba30d1c01ec86116ab52f589478"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/brick/math/zipball/459f2781e1a08d52ee56b0b1444086e038561e3f",
-                "reference": "459f2781e1a08d52ee56b0b1444086e038561e3f",
+                "url": "https://api.github.com/repos/brick/math/zipball/0ad82ce168c82ba30d1c01ec86116ab52f589478",
+                "reference": "0ad82ce168c82ba30d1c01ec86116ab52f589478",
                 "shasum": ""
             },
             "require": {
-                "ext-json": "*",
-                "php": "^7.4 || ^8.0"
+                "php": "^8.0"
             },
             "require-dev": {
                 "php-coveralls/php-coveralls": "^2.2",
                 "phpunit/phpunit": "^9.0",
-                "vimeo/psalm": "4.25.0"
+                "vimeo/psalm": "5.0.0"
             },
             "type": "library",
             "autoload": {
@@ -147,7 +146,7 @@
             ],
             "support": {
                 "issues": "https://github.com/brick/math/issues",
-                "source": "https://github.com/brick/math/tree/0.10.2"
+                "source": "https://github.com/brick/math/tree/0.11.0"
             },
             "funding": [
                 {
@@ -155,7 +154,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-08-10T22:54:19+00:00"
+            "time": "2023-01-15T23:15:59+00:00"
         },
         {
             "name": "fgrosse/phpasn1",
@@ -235,16 +234,16 @@
         },
         {
             "name": "netresearch/jsonmapper",
-            "version": "v4.1.0",
+            "version": "v4.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/cweiske/jsonmapper.git",
-                "reference": "cfa81ea1d35294d64adb9c68aa4cb9e92400e53f"
+                "reference": "f60565f8c0566a31acf06884cdaa591867ecc956"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/cweiske/jsonmapper/zipball/cfa81ea1d35294d64adb9c68aa4cb9e92400e53f",
-                "reference": "cfa81ea1d35294d64adb9c68aa4cb9e92400e53f",
+                "url": "https://api.github.com/repos/cweiske/jsonmapper/zipball/f60565f8c0566a31acf06884cdaa591867ecc956",
+                "reference": "f60565f8c0566a31acf06884cdaa591867ecc956",
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             },
             "require": {
@@ -280,22 +279,22 @@
             "support": {
                 "email": "cweiske@cweiske.de",
                 "issues": "https://github.com/cweiske/jsonmapper/issues",
-                "source": "https://github.com/cweiske/jsonmapper/tree/v4.1.0"
+                "source": "https://github.com/cweiske/jsonmapper/tree/v4.2.0"
             },
-            "time": "2022-12-08T20:46:14+00:00"
+            "time": "2023-04-09T17:37:40+00:00"
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.9.17",
+            "version": "1.10.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "204e459e7822f2c586463029f5ecec31bb45a1f2"
+                "reference": "d232901b09e67538e5c86a724be841bea5768a7c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/204e459e7822f2c586463029f5ecec31bb45a1f2",
-                "reference": "204e459e7822f2c586463029f5ecec31bb45a1f2",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/d232901b09e67538e5c86a724be841bea5768a7c",
+                "reference": "d232901b09e67538e5c86a724be841bea5768a7c",
                 "shasum": ""
             },
             "require": {
@@ -324,8 +323,11 @@
                 "static analysis"
             ],
             "support": {
+                "docs": "https://phpstan.org/user-guide/getting-started",
+                "forum": "https://github.com/phpstan/phpstan/discussions",
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/1.9.17"
+                "security": "https://github.com/phpstan/phpstan/security/policy",
+                "source": "https://github.com/phpstan/phpstan-src"
             },
             "funding": [
                 {
@@ -341,20 +343,46 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-02-08T12:25:00+00:00"
+            "time": "2023-04-19T13:47:27+00:00"
+        },
+        {
+            "name": "pocketmine/bedrock-block-upgrade-schema",
+            "version": "1.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/pmmp/BedrockBlockUpgradeSchema.git",
+                "reference": "e0540343e649a92126a1d4071ec401a811416c76"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/pmmp/BedrockBlockUpgradeSchema/zipball/e0540343e649a92126a1d4071ec401a811416c76",
+                "reference": "e0540343e649a92126a1d4071ec401a811416c76",
+                "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/1.1.1"
+            },
+            "time": "2023-03-08T23:45:59+00:00"
         },
         {
             "name": "pocketmine/bedrock-data",
-            "version": "1.14.0+bedrock-1.19.60",
+            "version": "2.1.1+bedrock-1.19.70",
             "source": {
                 "type": "git",
                 "url": "https://github.com/pmmp/BedrockData.git",
-                "reference": "7b06234ec6e1f4fb06ad4b2f177e606c25df9b46"
+                "reference": "cba0567bcb25f987f2712092f8d662056719e82d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/pmmp/BedrockData/zipball/7b06234ec6e1f4fb06ad4b2f177e606c25df9b46",
-                "reference": "7b06234ec6e1f4fb06ad4b2f177e606c25df9b46",
+                "url": "https://api.github.com/repos/pmmp/BedrockData/zipball/cba0567bcb25f987f2712092f8d662056719e82d",
+                "reference": "cba0567bcb25f987f2712092f8d662056719e82d",
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             },
             "type": "library",
@@ -365,22 +393,48 @@
             "description": "Blobs of data generated from Minecraft: Bedrock Edition, used by PocketMine-MP",
             "support": {
                 "issues": "https://github.com/pmmp/BedrockData/issues",
-                "source": "https://github.com/pmmp/BedrockData/tree/bedrock-1.19.60"
+                "source": "https://github.com/pmmp/BedrockData/tree/2.1.1+bedrock-1.19.70"
             },
-            "time": "2023-02-08T18:32:01+00:00"
+            "time": "2023-03-14T18:03:19+00:00"
+        },
+        {
+            "name": "pocketmine/bedrock-item-upgrade-schema",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/pmmp/BedrockItemUpgradeSchema.git",
+                "reference": "aab89a1f121a0c127557a4a0cf981330301c9c45"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/pmmp/BedrockItemUpgradeSchema/zipball/aab89a1f121a0c127557a4a0cf981330301c9c45",
+                "reference": "aab89a1f121a0c127557a4a0cf981330301c9c45",
+                "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/1.1.0"
+            },
+            "time": "2023-03-08T22:27:13+00:00"
         },
         {
             "name": "pocketmine/bedrock-protocol",
-            "version": "19.1.0+bedrock-1.19.60",
+            "version": "20.1.2+bedrock-1.19.70",
             "source": {
                 "type": "git",
                 "url": "https://github.com/pmmp/BedrockProtocol.git",
-                "reference": "b57d8145cb765110d599dd68241f2ebe68c80933"
+                "reference": "2787c531039b3d92fa3ec92f28b95158dc24b915"
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-                "url": "https://api.github.com/repos/pmmp/BedrockProtocol/zipball/b57d8145cb765110d599dd68241f2ebe68c80933",
-                "reference": "b57d8145cb765110d599dd68241f2ebe68c80933",
+                "url": "https://api.github.com/repos/pmmp/BedrockProtocol/zipball/2787c531039b3d92fa3ec92f28b95158dc24b915",
+                "reference": "2787c531039b3d92fa3ec92f28b95158dc24b915",
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             "require": {
@@ -394,7 +448,7 @@
                 "ramsey/uuid": "^4.1"
             },
             "require-dev": {
-                "phpstan/phpstan": "1.9.13",
+                "phpstan/phpstan": "1.10.7",
                 "phpstan/phpstan-phpunit": "^1.0.0",
                 "phpstan/phpstan-strict-rules": "^1.0.0",
                 "phpunit/phpunit": "^9.5"
@@ -412,9 +466,9 @@
             "description": "An implementation of the Minecraft: Bedrock Edition protocol in PHP",
             "support": {
                 "issues": "https://github.com/pmmp/BedrockProtocol/issues",
-                "source": "https://github.com/pmmp/BedrockProtocol/tree/19.1.0+bedrock-1.19.60"
+                "source": "https://github.com/pmmp/BedrockProtocol/tree/20.1.2+bedrock-1.19.70"
             },
-            "time": "2023-02-15T12:35:51+00:00"
+            "time": "2023-04-10T11:40:32+00:00"
         },
         {
             "name": "pocketmine/binaryutils",
@@ -555,23 +609,23 @@
         },
         {
             "name": "pocketmine/color",
-            "version": "0.3.0",
+            "version": "0.3.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/pmmp/Color.git",
-                "reference": "8cb346d0a21ad3287cc8d7175e4b643416607249"
+                "reference": "a0421f1e9e0b0c619300fb92d593283378f6a5e1"
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             "dist": {
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-                "reference": "8cb346d0a21ad3287cc8d7175e4b643416607249",
+                "url": "https://api.github.com/repos/pmmp/Color/zipball/a0421f1e9e0b0c619300fb92d593283378f6a5e1",
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-                "phpstan/phpstan": "1.9.4",
+                "phpstan/phpstan": "1.10.3",
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             },
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@@ -587,9 +641,9 @@
             "description": "Color handling library used by PocketMine-MP and related projects",
             "support": {
                 "issues": "https://github.com/pmmp/Color/issues",
-                "source": "https://github.com/pmmp/Color/tree/0.3.0"
+                "source": "https://github.com/pmmp/Color/tree/0.3.1"
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-            "time": "2022-12-18T19:49:21+00:00"
+            "time": "2023-04-10T11:38:05+00:00"
         },
         {
             "name": "pocketmine/errorhandler",
@@ -632,16 +686,16 @@
         },
         {
             "name": "pocketmine/locale-data",
-            "version": "2.18.3",
+            "version": "2.19.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/pmmp/Language.git",
-                "reference": "da25bfe9ee4822a84feb9b7e620c56ad4000aed0"
+                "reference": "71af5f9bd23b4e4bad8920dac7f4fe08e5205f7d"
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-                "reference": "da25bfe9ee4822a84feb9b7e620c56ad4000aed0",
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@@ -649,9 +703,9 @@
             "description": "Language resources used by PocketMine-MP",
             "support": {
                 "issues": "https://github.com/pmmp/Language/issues",
-                "source": "https://github.com/pmmp/Language/tree/2.18.3"
+                "source": "https://github.com/pmmp/Language/tree/2.19.5"
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-            "time": "2023-01-17T21:43:36+00:00"
+            "time": "2023-03-19T16:45:15+00:00"
         },
         {
             "name": "pocketmine/log",
@@ -781,16 +835,16 @@
         },
         {
             "name": "pocketmine/nbt",
-            "version": "0.3.3",
+            "version": "0.3.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/pmmp/NBT.git",
-                "reference": "f4321be50df1a18b9f4e94d428a2e68a6e2ac2b4"
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-                "reference": "f4321be50df1a18b9f4e94d428a2e68a6e2ac2b4",
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@@ -800,7 +854,7 @@
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-                "phpstan/phpstan": "1.7.7",
+                "phpstan/phpstan": "1.10.3",
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@@ -817,22 +871,22 @@
             "description": "PHP library for working with Named Binary Tags",
             "support": {
                 "issues": "https://github.com/pmmp/NBT/issues",
-                "source": "https://github.com/pmmp/NBT/tree/0.3.3"
+                "source": "https://github.com/pmmp/NBT/tree/0.3.4"
             },
-            "time": "2022-07-06T14:13:26+00:00"
+            "time": "2023-04-10T11:31:20+00:00"
         },
         {
             "name": "pocketmine/pocketmine-mp",
-            "version": "4.14.1",
+            "version": "4.19.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/pmmp/PocketMine-MP.git",
-                "reference": "d7a0f5362e7d9617f239f02cb7f9c5e9d5b92407"
+                "reference": "11e34b3e5cdab7639031d8af53aeacf0242ab487"
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-                "reference": "d7a0f5362e7d9617f239f02cb7f9c5e9d5b92407",
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@@ -865,14 +919,16 @@
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                 "php": "^8.0",
                 "php-64bit": "*",
-                "pocketmine/bedrock-data": "~1.14.0+bedrock-1.19.60",
-                "pocketmine/bedrock-protocol": "~19.1.0+bedrock-1.19.60",
+                "pocketmine/bedrock-block-upgrade-schema": "~1.1.1+bedrock-1.19.70",
+                "pocketmine/bedrock-data": "~2.1.1+bedrock-1.19.70",
+                "pocketmine/bedrock-item-upgrade-schema": "~1.1.0+bedrock-1.19.70",
+                "pocketmine/bedrock-protocol": "~20.1.1+bedrock-1.19.70",
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                 "pocketmine/classloader": "^0.2.0",
                 "pocketmine/color": "^0.3.0",
                 "pocketmine/errorhandler": "^0.6.0",
-                "pocketmine/locale-data": "~2.18.0",
+                "pocketmine/locale-data": "~2.19.0",
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@@ -885,7 +941,7 @@
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-                "phpstan/phpstan": "1.9.17",
+                "phpstan/phpstan": "1.10.13",
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@@ -907,7 +963,7 @@
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                 "issues": "https://github.com/pmmp/PocketMine-MP/issues",
-                "source": "https://github.com/pmmp/PocketMine-MP/tree/4.14.1"
+                "source": "https://github.com/pmmp/PocketMine-MP/tree/4.19.3"
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@@ -919,20 +975,20 @@
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-            "time": "2023-02-15T15:19:38+00:00"
+            "time": "2023-04-21T14:53:02+00:00"
         },
         {
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-            "version": "0.14.5",
+            "version": "0.14.6",
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                 "type": "git",
                 "url": "https://github.com/pmmp/RakLib.git",
-                "reference": "85b4e5cb7117d37e010eeadb3ff53b21276c6f48"
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@@ -944,7 +1000,7 @@
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-                "phpstan/phpstan": "1.7.7",
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                 "phpstan/phpstan-strict-rules": "^1.0"
             },
             "type": "library",
@@ -960,9 +1016,9 @@
             "description": "A RakNet server implementation written in PHP",
             "support": {
                 "issues": "https://github.com/pmmp/RakLib/issues",
-                "source": "https://github.com/pmmp/RakLib/tree/0.14.5"
+                "source": "https://github.com/pmmp/RakLib/tree/0.14.6"
             },
-            "time": "2022-08-25T16:16:44+00:00"
+            "time": "2023-03-07T15:10:23+00:00"
         },
         {
             "name": "pocketmine/raklib-ipc",
@@ -1137,20 +1193,20 @@
         },
         {
             "name": "ramsey/uuid",
-            "version": "4.7.3",
+            "version": "4.7.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ramsey/uuid.git",
-                "reference": "433b2014e3979047db08a17a205f410ba3869cf2"
+                "reference": "60a4c63ab724854332900504274f6150ff26d286"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ramsey/uuid/zipball/433b2014e3979047db08a17a205f410ba3869cf2",
-                "reference": "433b2014e3979047db08a17a205f410ba3869cf2",
+                "url": "https://api.github.com/repos/ramsey/uuid/zipball/60a4c63ab724854332900504274f6150ff26d286",
+                "reference": "60a4c63ab724854332900504274f6150ff26d286",
                 "shasum": ""
             },
             "require": {
-                "brick/math": "^0.8.8 || ^0.9 || ^0.10",
+                "brick/math": "^0.8.8 || ^0.9 || ^0.10 || ^0.11",
                 "ext-json": "*",
                 "php": "^8.0",
                 "ramsey/collection": "^1.2 || ^2.0"
@@ -1213,7 +1269,7 @@
             ],
             "support": {
                 "issues": "https://github.com/ramsey/uuid/issues",
-                "source": "https://github.com/ramsey/uuid/tree/4.7.3"
+                "source": "https://github.com/ramsey/uuid/tree/4.7.4"
             },
             "funding": [
                 {
@@ -1225,20 +1281,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-01-12T18:13:24+00:00"
+            "time": "2023-04-15T23:01:58+00:00"
         },
         {
             "name": "symfony/filesystem",
-            "version": "v5.4.19",
+            "version": "v5.4.21",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "648bfaca6a494f3e22378123bcee2894045dc9d8"
+                "reference": "e75960b1bbfd2b8c9e483e0d74811d555ca3de9f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/filesystem/zipball/648bfaca6a494f3e22378123bcee2894045dc9d8",
-                "reference": "648bfaca6a494f3e22378123bcee2894045dc9d8",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/e75960b1bbfd2b8c9e483e0d74811d555ca3de9f",
+                "reference": "e75960b1bbfd2b8c9e483e0d74811d555ca3de9f",
                 "shasum": ""
             },
             "require": {
@@ -1273,7 +1329,7 @@
             "description": "Provides basic utilities for the filesystem",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/filesystem/tree/v5.4.19"
+                "source": "https://github.com/symfony/filesystem/tree/v5.4.21"
             },
             "funding": [
                 {
@@ -1289,7 +1345,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-01-14T19:14:44+00:00"
+            "time": "2023-02-14T08:03:56+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
diff --git a/plugin.yml b/plugin.yml
index effe816..283cf73 100644
--- a/plugin.yml
+++ b/plugin.yml
@@ -1,8 +1,8 @@
 name: Texter
 prefix: Texter
 main: jp\mcbe\fuyutsuki\Texter\Main
-version: 4.1.9
-api: 4.14.0
+version: 4.1.10
+api: 4.20.0
 softdepend:
   # aieuo/Mineflow
   - Mineflow # >= 2.0
diff --git a/src/jp/mcbe/fuyutsuki/Texter/EventListener.php b/src/jp/mcbe/fuyutsuki/Texter/EventListener.php
index f6fd38c..0d85a30 100644
--- a/src/jp/mcbe/fuyutsuki/Texter/EventListener.php
+++ b/src/jp/mcbe/fuyutsuki/Texter/EventListener.php
@@ -85,7 +85,7 @@ public function onSendPacket(DataPacketSendEvent $ev) {
 				if (isset($pk->commandData[TexterCommand::NAME])) {
 					$locale = $ev->getTargets()[0]->getPlayerInfo()->getLocale();
 					$texterCommand = $pk->commandData[TexterCommand::NAME];
-					$texterCommand->commandDescription = TexterLang::fromLocale($locale)->translateString(TexterCommand::DESCRIPTION);
+					$texterCommand->description = TexterLang::fromLocale($locale)->translateString(TexterCommand::DESCRIPTION);
 				}
 			}
 		}