diff --git a/composer.json b/composer.json
index d4fec87..32daa8d 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
 	"require-dev": {
 		"dealerdirect/phpcodesniffer-composer-installer": "^1.1.2",
 		"slevomat/coding-standard": "^8.22.0",
-		"squizlabs/php_codesniffer": "^3.13.4"
+		"squizlabs/php_codesniffer": "^4.0.0"
 	},
 	"config": {
 		"allow-plugins": {
diff --git a/composer.lock b/composer.lock
index 04291de..30bc752 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": "442c3f49a6eb8435857eec87e6d76b40",
+    "content-hash": "3642545680b0a1bcc9d90dfd492d25df",
     "packages": [],
     "packages-dev": [
         {
@@ -152,32 +152,32 @@
         },
         {
             "name": "slevomat/coding-standard",
-            "version": "8.22.1",
+            "version": "8.23.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/slevomat/coding-standard.git",
-                "reference": "1dd80bf3b93692bedb21a6623c496887fad05fec"
+                "reference": "ba476e9c5dd52107acb17e33a70034d65f380847"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/slevomat/coding-standard/zipball/1dd80bf3b93692bedb21a6623c496887fad05fec",
-                "reference": "1dd80bf3b93692bedb21a6623c496887fad05fec",
+                "url": "https://api.github.com/repos/slevomat/coding-standard/zipball/ba476e9c5dd52107acb17e33a70034d65f380847",
+                "reference": "ba476e9c5dd52107acb17e33a70034d65f380847",
                 "shasum": ""
             },
             "require": {
                 "dealerdirect/phpcodesniffer-composer-installer": "^0.6.2 || ^0.7 || ^1.1.2",
                 "php": "^7.4 || ^8.0",
                 "phpstan/phpdoc-parser": "^2.3.0",
-                "squizlabs/php_codesniffer": "^3.13.4"
+                "squizlabs/php_codesniffer": "^4.0.0"
             },
             "require-dev": {
                 "phing/phing": "3.0.1|3.1.0",
                 "php-parallel-lint/php-parallel-lint": "1.4.0",
-                "phpstan/phpstan": "2.1.24",
+                "phpstan/phpstan": "2.1.26",
                 "phpstan/phpstan-deprecation-rules": "2.0.3",
                 "phpstan/phpstan-phpunit": "2.0.7",
                 "phpstan/phpstan-strict-rules": "2.0.6",
-                "phpunit/phpunit": "9.6.8|10.5.48|11.4.4|11.5.36|12.3.10"
+                "phpunit/phpunit": "9.6.8|10.5.48|11.4.4|11.5.36|12.3.11"
             },
             "type": "phpcodesniffer-standard",
             "extra": {
@@ -201,7 +201,7 @@
             ],
             "support": {
                 "issues": "https://github.com/slevomat/coding-standard/issues",
-                "source": "https://github.com/slevomat/coding-standard/tree/8.22.1"
+                "source": "https://github.com/slevomat/coding-standard/tree/8.23.0"
             },
             "funding": [
                 {
@@ -213,41 +213,36 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2025-09-13T08:53:30+00:00"
+            "time": "2025-09-17T09:18:54+00:00"
         },
         {
             "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"
@@ -266,7 +261,7 @@
                     "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",
@@ -297,7 +292,7 @@
                     "type": "thanks_dev"
                 }
             ],
-            "time": "2025-09-05T05:47:09+00:00"
+            "time": "2025-09-15T11:28:58+00:00"
         }
     ],
     "aliases": [],
diff --git a/consistence.xml b/consistence.xml
index 74c4874..988ef9a 100644
--- a/consistence.xml
+++ b/consistence.xml
@@ -224,7 +224,6 @@
 	</rule>
 	<rule ref="Squiz.Operators.ValidLogicalOperators"/>
 	<rule ref="Squiz.PHP.GlobalKeyword"/>
-	<rule ref="Squiz.PHP.Heredoc"/>
 	<rule ref="Squiz.PHP.InnerFunctions"/>
 	<rule ref="Squiz.PHP.LowercasePHPFunctions"/>
 	<rule ref="Squiz.PHP.NonExecutableCode"/>
diff --git a/phpcs.xml b/phpcs.xml
index fd25955..c95d96e 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -14,7 +14,6 @@
 		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedClassNameInAnnotation"/>
 		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedExceptions"/>
 		<exclude name="Squiz.Commenting.FunctionComment"/>
-		<exclude name="Squiz.PHP.Heredoc.NotAllowed"/>
 		<exclude name="Squiz.WhiteSpace.FunctionSpacing.Before"/>
 		<exclude name="SlevomatCodingStandard.Variables.UnusedVariable.UnusedVariable"/>
 	</rule>