diff --git a/composer.json b/composer.json
index 5fd4668..056edbf 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
         "phan/phan": "^5.4",
         "php-coveralls/php-coveralls": "^2.5",
         "phpmd/phpmd": "^2.13",
-        "phpstan/phpstan": "^1.9",
+        "phpstan/phpstan": "^1.9 || ^2.0",
         "phpunit/phpunit": "^11.1.3",
         "squizlabs/php_codesniffer": "^3.7"
     },
diff --git a/composer.lock b/composer.lock
index 782e0e9..2d6b2d9 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": "8af59c56772bb64cc660051e64bc73d5",
+    "content-hash": "70a428e0b5ab9a03b95013f55b7c7594",
     "packages": [],
     "packages-dev": [
         {
@@ -1515,20 +1515,20 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "1.12.12",
+            "version": "2.0.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "b5ae1b88f471d3fd4ba1aa0046234b5ca3776dd0"
+                "reference": "46b4d3529b12178112d9008337beda0cc2a1a6b4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/b5ae1b88f471d3fd4ba1aa0046234b5ca3776dd0",
-                "reference": "b5ae1b88f471d3fd4ba1aa0046234b5ca3776dd0",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/46b4d3529b12178112d9008337beda0cc2a1a6b4",
+                "reference": "46b4d3529b12178112d9008337beda0cc2a1a6b4",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2|^8.0"
+                "php": "^7.4|^8.0"
             },
             "conflict": {
                 "phpstan/phpstan-shim": "*"
@@ -1569,7 +1569,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-11-28T22:13:23+00:00"
+            "time": "2024-11-28T22:19:37+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -4702,7 +4702,7 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": {},
+    "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {