diff --git a/composer.json b/composer.json
index bcb088c..db4fd5d 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
     "codeception/codeception": "^5.3.2",
     "codeception/module-asserts": "^3.2.1",
     "codeception/module-phpbrowser": "^3.0.2",
-    "friendsofphp/php-cs-fixer": "3.90.0",
+    "friendsofphp/php-cs-fixer": "3.91.0",
     "jane-php/open-api-3": "^7.9.0",
     "roave/security-advisories": "dev-latest",
     "symfony/var-dumper": "7.4.0"
diff --git a/composer.lock b/composer.lock
index 51dc069..9a40ae1 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": "a5b553dd3ea9502f70911d04cd8195db",
+    "content-hash": "cd964ccb3c4388a3d04d428fe57290c5",
     "packages": [
         {
             "name": "clue/stream-filter",
@@ -4188,16 +4188,16 @@
         },
         {
             "name": "friendsofphp/php-cs-fixer",
-            "version": "v3.90.0",
+            "version": "v3.91.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer.git",
-                "reference": "ad732c2e9299c9743f9c55ae53cc0e7642ab1155"
+                "reference": "c4a25f20390337789c26b693ae46faa125040352"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHP-CS-Fixer/PHP-CS-Fixer/zipball/ad732c2e9299c9743f9c55ae53cc0e7642ab1155",
-                "reference": "ad732c2e9299c9743f9c55ae53cc0e7642ab1155",
+                "url": "https://api.github.com/repos/PHP-CS-Fixer/PHP-CS-Fixer/zipball/c4a25f20390337789c26b693ae46faa125040352",
+                "reference": "c4a25f20390337789c26b693ae46faa125040352",
                 "shasum": ""
             },
             "require": {
@@ -4279,7 +4279,7 @@
             ],
             "support": {
                 "issues": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/issues",
-                "source": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/tree/v3.90.0"
+                "source": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/tree/v3.91.0"
             },
             "funding": [
                 {
@@ -4287,7 +4287,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-11-20T15:15:16+00:00"
+            "time": "2025-11-28T22:07:42+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",