diff --git a/.phpcs.xml b/.phpcs.xml
index d22cabf..4cbac0c 100644
--- a/.phpcs.xml
+++ b/.phpcs.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ruleset>
 	<rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki">
-		<exclude name="MediaWiki.Commenting.FunctionComment.MissingParamComment"/>
+		<exclude name="MediaWiki.Commenting.FunctionComment.MissingParamComment" />
+		<exclude name="Squiz.Scope.MethodScope.Missing" />
 		<exclude name="MediaWiki.Commenting.FunctionComment.MissingDocumentationPublic"/>
 	</rule>
 	<file>.</file>
diff --git a/composer.json b/composer.json
index d711279..31d9bbd 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
 	"require-dev": {
 		"jakub-onderka/php-parallel-lint": "0.9.2",
 		"jakub-onderka/php-console-highlighter": "0.3.2",
-		"mediawiki/mediawiki-codesniffer": "14.1.0",
+		"mediawiki/mediawiki-codesniffer": "15.0.0",
 		"mediawiki/minus-x": "0.2.1"
 	},
 	"scripts": {