diff --git a/composer.json b/composer.json
index bd9c51a..5b7aae0 100644
--- a/composer.json
+++ b/composer.json
@@ -64,6 +64,6 @@
     "phpunit/phpunit": "~9|~10",
     "squizlabs/php_codesniffer": "3.13.0",
     "overtrue/phplint": "9.6.2",
-    "phpstan/phpstan": "1.12.25"
+    "phpstan/phpstan": "2.1.18"
   }
 }
diff --git a/composer.lock b/composer.lock
index 998a6f1..ee5327d 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": "2d05dffea7872736818de90a107e3a00",
+    "content-hash": "286ed4c77e72f05efdc84a844aa120e1",
     "packages": [
         {
             "name": "psr/log",
@@ -389,20 +389,20 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.12.25",
+            "version": "2.1.18",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "e310849a19e02b8bfcbb63147f495d8f872dd96f"
+                "reference": "ee1f390b7a70cdf74a2b737e554f68afea885db7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/e310849a19e02b8bfcbb63147f495d8f872dd96f",
-                "reference": "e310849a19e02b8bfcbb63147f495d8f872dd96f",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/ee1f390b7a70cdf74a2b737e554f68afea885db7",
+                "reference": "ee1f390b7a70cdf74a2b737e554f68afea885db7",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2|^8.0"
+                "php": "^7.4|^8.0"
             },
             "conflict": {
                 "phpstan/phpstan-shim": "*"
@@ -443,7 +443,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-04-27T12:20:45+00:00"
+            "time": "2025-07-17T17:22:31+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",