diff --git a/composer.json b/composer.json
index 8d41c51b..fa4f659d 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9",
-        "squizlabs/php_codesniffer": "^3.6"
+        "squizlabs/php_codesniffer": "^4"
     },
     "suggest": {
         "php-webdriver/webdriver": "Required for Selenium usage",
diff --git a/composer.lock b/composer.lock
index 8bc7df05..5868bfe9 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": "7f6dd2b19b375c71edea2a94bd1972d5",
+    "content-hash": "e41b4ed09a840ad6b383c3fb8970a6dd",
     "packages": [],
     "packages-dev": [
         {
@@ -1744,37 +1744,32 @@
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "3.13.4",
+            "version": "4.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPCSStandards/PHP_CodeSniffer.git",
-                "reference": "ad545ea9c1b7d270ce0fc9cbfb884161cd706119"
+                "reference": "06113cfdaf117fc2165f9cd040bd0f17fcd5242d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/ad545ea9c1b7d270ce0fc9cbfb884161cd706119",
-                "reference": "ad545ea9c1b7d270ce0fc9cbfb884161cd706119",
+                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/06113cfdaf117fc2165f9cd040bd0f17fcd5242d",
+                "reference": "06113cfdaf117fc2165f9cd040bd0f17fcd5242d",
                 "shasum": ""
             },
             "require": {
                 "ext-simplexml": "*",
                 "ext-tokenizer": "*",
                 "ext-xmlwriter": "*",
-                "php": ">=5.4.0"
+                "php": ">=7.2.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.3.4"
+                "phpunit/phpunit": "^8.4.0 || ^9.3.4 || ^10.5.32 || 11.3.3 - 11.5.28 || ^11.5.31"
             },
             "bin": [
                 "bin/phpcbf",
                 "bin/phpcs"
             ],
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.x-dev"
-                }
-            },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "BSD-3-Clause"
@@ -1793,7 +1788,7 @@
                     "homepage": "https://github.com/PHPCSStandards/PHP_CodeSniffer/graphs/contributors"
                 }
             ],
-            "description": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
+            "description": "PHP_CodeSniffer tokenizes PHP files and detects violations of a defined set of coding standards.",
             "homepage": "https://github.com/PHPCSStandards/PHP_CodeSniffer",
             "keywords": [
                 "phpcs",
@@ -1824,7 +1819,7 @@
                     "type": "thanks_dev"
                 }
             ],
-            "time": "2025-09-05T05:47:09+00:00"
+            "time": "2025-09-15T11:28:58+00:00"
         },
         {
             "name": "theseer/tokenizer",