diff --git a/composer.json b/composer.json
index a4d8ab0..6e38d05 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
 		"composer/installers": ">=1.0.1"
 	},
 	"require-dev": {
-		"mediawiki/mediawiki-codesniffer": "41.0.0",
+		"mediawiki/mediawiki-codesniffer": "42.0.0",
 		"mediawiki/mediawiki-phan-config": "0.13.0",
 		"mediawiki/minus-x": "1.1.1",
 		"php-parallel-lint/php-console-highlighter": "1.0.0",