diff --git a/composer.json b/composer.json
index 4557f76..8b19f66 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
     "require-dev": {
         "jrmajor/cs": "^0.6.1",
         "orchestra/testbench": "^9.1",
-        "phpstan/phpstan": "^2.0",
+        "phpstan/phpstan": "^2.1",
         "phpunit/phpunit": "^11.4"
     },
     "minimum-stability": "dev",
diff --git a/composer.lock b/composer.lock
index 414567b..05b1f57 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": "81c14e65d0d53063cdd791da45ba6cdc",
+    "content-hash": "c9bd823be2c2a93672211bac5728da5d",
     "packages": [
         {
             "name": "brick/math",
@@ -7277,16 +7277,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "2.0.2",
+            "version": "2.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "6c98c7600fc717b2c78c11ef60040d5b1e359c82"
+                "reference": "2392d360fdf54ea253aa6c68cad1d4ba2e54e927"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/6c98c7600fc717b2c78c11ef60040d5b1e359c82",
-                "reference": "6c98c7600fc717b2c78c11ef60040d5b1e359c82",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/2392d360fdf54ea253aa6c68cad1d4ba2e54e927",
+                "reference": "2392d360fdf54ea253aa6c68cad1d4ba2e54e927",
                 "shasum": ""
             },
             "require": {
@@ -7331,7 +7331,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-11-17T14:17:00+00:00"
+            "time": "2024-12-31T07:30:03+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -9759,12 +9759,12 @@
     ],
     "aliases": [],
     "minimum-stability": "dev",
-    "stability-flags": {},
+    "stability-flags": [],
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
         "php": "8.3 - 8.4"
     },
-    "platform-dev": {},
+    "platform-dev": [],
     "plugin-api-version": "2.6.0"
 }