diff --git a/.phpcs.xml b/.phpcs.xml
index 199630f..74e9072 100644
--- a/.phpcs.xml
+++ b/.phpcs.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0"?>
 <ruleset name="MediaWiki">
-	<rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki">
-	</rule>
+	<rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki" />
 	<file>.</file>
 </ruleset>
diff --git a/composer.json b/composer.json
index c3e96ad..d3014fd 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
 		"jakub-onderka/php-parallel-lint": "1.0.0",
 		"jakub-onderka/php-console-highlighter": "0.3.2",
 		"mediawiki/minus-x": "0.3.1",
-		"mediawiki/mediawiki-codesniffer": "18.0.0"
+		"mediawiki/mediawiki-codesniffer": "20.0.0"
 	},
 	"scripts": {
 		"test": [