diff --git a/composer.json b/composer.json
index 0b593d61..78c2fa0e 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
 	},
 	"require-dev": {
 		"jakub-onderka/php-parallel-lint": "0.9.2",
-		"mediawiki/mediawiki-codesniffer": "0.11.0",
+		"mediawiki/mediawiki-codesniffer": "0.12.0",
 		"jakub-onderka/php-console-highlighter": "0.3.2"
 	},
 	"scripts": {
diff --git a/phpcs.xml b/phpcs.xml
index 83414eaa..775a8b30 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -3,7 +3,8 @@
 	<rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki">
 		<exclude name="MediaWiki.Commenting.FunctionComment.MissingParamComment"/>
 		<exclude name="MediaWiki.Commenting.FunctionComment.MissingParamTag"/>
-		<exclude name="MediaWiki.Commenting.FunctionComment.MissingReturn"/>
+		<exclude name="MediaWiki.Commenting.FunctionComment.MissingReturn" />
+		<exclude name="MediaWiki.Files.ClassMatchesFilename.NotMatch" />
 		<exclude name="MediaWiki.Usage.ReferenceThis.Found"/>
 	</rule>
 	<file>.</file>