diff --git a/composer.json b/composer.json
index 664b9b4..7a306bc 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
 	"require-dev": {
 		"jakub-onderka/php-parallel-lint": "0.9.2",
-		"mediawiki/mediawiki-codesniffer": "0.7.2",
+		"mediawiki/mediawiki-codesniffer": "0.9.0",
 		"jakub-onderka/php-console-highlighter": "0.3.2"
 	},
 	"scripts": {
diff --git a/includes/CookieWarning.hooks.php b/includes/CookieWarning.hooks.php
index 47b6fa9..22beb7e 100644
--- a/includes/CookieWarning.hooks.php
+++ b/includes/CookieWarning.hooks.php
@@ -61,14 +61,14 @@ class CookieWarningHooks {
 			$tpl->data['headelement'] = '';
 		}
 		$form = Html::openElement( 'form', [ 'method' => 'POST' ] ) .
-	        Html::submitButton(
-		        $sk->msg( 'cookiewarning-ok-label' )->text(),
-		        [
-			        'name' => 'disablecookiewarning',
-			        'class' => 'mw-cookiewarning-dismiss'
-		        ]
-	        ) .
-	        Html::closeElement( 'form' );
+			Html::submitButton(
+				$sk->msg( 'cookiewarning-ok-label' )->text(),
+				[
+					'name' => 'disablecookiewarning',
+					'class' => 'mw-cookiewarning-dismiss'
+				]
+			) .
+			Html::closeElement( 'form' );
 
 		$cookieImage = Html::openElement( 'div', [ 'class' => 'mw-cookiewarning-cimage' ] ) .
 			'🍪' .
@@ -80,19 +80,19 @@ class CookieWarningHooks {
 				'div',
 				[ 'class' => 'mw-cookiewarning-container' ]
 			) .
-		    ( $isMobile ? $form : '' ) .
+			( $isMobile ? $form : '' ) .
 			Html::openElement(
 				'div',
 				[ 'class' => 'mw-cookiewarning-text' ]
 			) .
-		    ( $isMobile ? $cookieImage : '' ) .
+			( $isMobile ? $cookieImage : '' ) .
 			Html::element(
 				'span',
 				[],
 				$sk->msg( 'cookiewarning-info' )->text()
 			) .
 			$moreLink .
-		    ( !$isMobile ? $form : '' ) .
+			( !$isMobile ? $form : '' ) .
 			Html::closeElement( 'div' ) .
 			Html::closeElement( 'div' );
 	}
diff --git a/phpcs.xml b/phpcs.xml
index d81a292..2c25c60 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -1,8 +1,12 @@
 <?xml version="1.0"?>
 <ruleset>
-	<rule ref="vendor/mediawiki/mediawiki-codesniffer/MediaWiki"/>
+	<rule ref="vendor/mediawiki/mediawiki-codesniffer/MediaWiki">
+		<exclude name="MediaWiki.Commenting.FunctionComment.MissingParamComment" />
+		<exclude name="MediaWiki.Commenting.FunctionComment.MissingParamTag" />
+		<exclude name="MediaWiki.Commenting.FunctionComment.ParamNameNoMatch" />
+	</rule>
 	<file>.</file>
-	<arg name="extensions" value="php,php5,inc"/>
-	<arg name="encoding" value="utf8"/>
+	<arg name="extensions" value="php,php5,inc" />
+	<arg name="encoding" value="utf8" />
 	<exclude-pattern>vendor</exclude-pattern>
 </ruleset>