diff --git a/composer.json b/composer.json
index d8a82bc7f..72f3d1566 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
 		"phan/phan": "^5",
 		"php-cs-fixer/shim": "3.86.0",
 		"psalm/phar": "^5.26",
-		"squizlabs/php_codesniffer": "^3",
+		"squizlabs/php_codesniffer": "^4",
 		"staabm/annotate-pull-request-from-checkstyle": "^1.1.0"
 	},
 	"autoload-dev": {
diff --git a/composer.lock b/composer.lock
index 5fbfb0bcd..e28ecf0d1 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": "6e4330c2289a74d4b93d21fd2368d656",
+    "content-hash": "5b04286b78cb0eaf682fe1f4c71fe5f1",
     "packages": [],
     "packages-dev": [
         {
@@ -1737,37 +1737,32 @@
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "3.13.2",
+            "version": "4.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPCSStandards/PHP_CodeSniffer.git",
-                "reference": "5b5e3821314f947dd040c70f7992a64eac89025c"
+                "reference": "06113cfdaf117fc2165f9cd040bd0f17fcd5242d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/5b5e3821314f947dd040c70f7992a64eac89025c",
-                "reference": "5b5e3821314f947dd040c70f7992a64eac89025c",
+                "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"
@@ -1786,7 +1781,7 @@
                     "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",
@@ -1817,7 +1812,7 @@
                     "type": "thanks_dev"
                 }
             ],
-            "time": "2025-06-17T22:17:01+00:00"
+            "time": "2025-09-15T11:28:58+00:00"
         },
         {
             "name": "staabm/annotate-pull-request-from-checkstyle",