diff --git a/composer.json b/composer.json
index 780f699..1c579fa 100644
--- a/composer.json
+++ b/composer.json
@@ -15,6 +15,6 @@
     "elephantio/elephant.io": "^4.8"
   },
   "require-dev": {
-    "phpstan/phpstan": "^1.10"
+    "phpstan/phpstan": "^2.0"
   }
 }
diff --git a/composer.lock b/composer.lock
index d55b47f..ffe17b7 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": "66b67730c0ff27c7713935ba8cf337fe",
+    "content-hash": "55749ab276d8eec423528e49eefe9775",
     "packages": [
         {
             "name": "elephantio/elephant.io",
@@ -1366,20 +1366,20 @@
     "packages-dev": [
         {
             "name": "phpstan/phpstan",
-            "version": "1.12.7",
+            "version": "2.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "dc2b9976bd8b0f84ec9b0e50cc35378551de7af0"
+                "reference": "6c98c7600fc717b2c78c11ef60040d5b1e359c82"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/dc2b9976bd8b0f84ec9b0e50cc35378551de7af0",
-                "reference": "dc2b9976bd8b0f84ec9b0e50cc35378551de7af0",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/6c98c7600fc717b2c78c11ef60040d5b1e359c82",
+                "reference": "6c98c7600fc717b2c78c11ef60040d5b1e359c82",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2|^8.0"
+                "php": "^7.4|^8.0"
             },
             "conflict": {
                 "phpstan/phpstan-shim": "*"
@@ -1420,7 +1420,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-10-18T11:12:07+00:00"
+            "time": "2024-11-17T14:17:00+00:00"
         }
     ],
     "aliases": [],