diff --git a/composer.json b/composer.json
index 5f43176..b85e261 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
 	},
 
 	"require-dev": {
-		"phpstan/phpstan": "^1.10",
+		"phpstan/phpstan": "^2.1",
 		"phpunit/phpunit": "^10.5",
 		"phpmd/phpmd": "^2.13",
 		"squizlabs/php_codesniffer": "^3.7"
diff --git a/composer.lock b/composer.lock
index 25111e0..1e51024 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": "5ab72df41b5c0d1085390a3a6d995325",
+    "content-hash": "f509aa24b5d93ef84b95c172f83755ef",
     "packages": [
         {
             "name": "justinrainbow/json-schema",
@@ -1004,15 +1004,15 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.12.33",
+            "version": "2.1.45",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/37982d6fc7cbb746dda7773530cda557cdf119e1",
-                "reference": "37982d6fc7cbb746dda7773530cda557cdf119e1",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/f8cdfd9421b7edb7686a2d150a234870464eac70",
+                "reference": "f8cdfd9421b7edb7686a2d150a234870464eac70",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2|^8.0"
+                "php": "^7.4|^8.0"
             },
             "conflict": {
                 "phpstan/phpstan-shim": "*"
@@ -1053,7 +1053,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2026-02-28T20:30:03+00:00"
+            "time": "2026-03-30T13:22:02+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",