diff --git a/composer.json b/composer.json
index 906960b..b5c6934 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
 		"psr/http-message": "^1"
 	},
 	"require-dev": {
-		"mediawiki/mediawiki-codesniffer": "44.0.0",
+		"mediawiki/mediawiki-codesniffer": "45.0.0",
 		"mediawiki/mediawiki-phan-config": "0.14.0"
 	},
 	"extra": {