diff --git a/composer.json b/composer.json
index bc1740b..e4a6007 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
 		}
 	],
 	"require-dev": {
-		"mediawiki/mediawiki-codesniffer": "39.0.0",
+		"mediawiki/mediawiki-codesniffer": "45.0.0",
 		"mediawiki/mediawiki-phan-config": "0.12.0",
 		"mediawiki/minus-x": "1.1.1",
 		"php-parallel-lint/php-console-highlighter": "1.0.0",