diff --git a/composer.json b/composer.json
index 3fc97e97..a1a88515 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
 	},
 	"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 04c08574..eee0983d 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -7,6 +7,7 @@
 		<exclude name="MediaWiki.Commenting.FunctionComment.MissingReturn" />
 		<exclude name="MediaWiki.Commenting.FunctionComment.ParamNameNoMatch" />
 		<exclude name="MediaWiki.Commenting.FunctionComment.WrongStyle" />
+		<exclude name="MediaWiki.Files.ClassMatchesFilename.NotMatch" />
 		<exclude name="MediaWiki.Commenting.FunctionComment.MissingDocumentationPublic" />
 	</rule>
 	<file>.</file>