diff --git a/composer.json b/composer.json
index 7e632821..664fa80c 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
 		"mediawiki/cldr": "Language names in all languages"
 	},
 	"require-dev": {
-		"mediawiki/mediawiki-codesniffer": "40.0.1",
+		"mediawiki/mediawiki-codesniffer": "41.0.0",
 		"mediawiki/mediawiki-phan-config": "0.12.0",
 		"mediawiki/minus-x": "1.1.1",
 		"php-parallel-lint/php-console-highlighter": "1.0.0",