diff --git a/composer.json b/composer.json
index a36de5c1..aec45ba2 100644
--- a/composer.json
+++ b/composer.json
@@ -46,7 +46,7 @@
       "pocketmine/spl": "^0.4.0"
    },
    "require-dev": {
-      "phpstan/phpstan": "1.11.1",
+      "phpstan/phpstan": "1.12.3",
       "phpstan/phpstan-phpunit": "^1.0.0",
       "phpstan/phpstan-strict-rules": "^1.0.0",
       "phpunit/phpunit": "^9.2"
diff --git a/composer.lock b/composer.lock
index c06007ee..639a8289 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": "6a88c2af2a22cb7c67afa27688370c84",
+    "content-hash": "d5389041c4f5110e48931518ea886a9c",
     "packages": [
         {
             "name": "adhocore/json-comment",
@@ -873,16 +873,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.11.1",
+            "version": "1.12.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "e524358f930e41a2b4cca1320e3b04fc26b39e0b"
+                "reference": "0fcbf194ab63d8159bb70d9aa3e1350051632009"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/e524358f930e41a2b4cca1320e3b04fc26b39e0b",
-                "reference": "e524358f930e41a2b4cca1320e3b04fc26b39e0b",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/0fcbf194ab63d8159bb70d9aa3e1350051632009",
+                "reference": "0fcbf194ab63d8159bb70d9aa3e1350051632009",
                 "shasum": ""
             },
             "require": {
@@ -927,7 +927,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-05-15T08:00:59+00:00"
+            "time": "2024-09-09T08:10:35+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",