diff --git a/composer.json b/composer.json
index 4365e8a84..99741dd47 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
 	"require-dev": {
 		"jakub-onderka/php-parallel-lint": "0.9",
-		"mediawiki/mediawiki-codesniffer": "0.4.0"
+		"mediawiki/mediawiki-codesniffer": "0.5.0"
 	},
 	"scripts": {
 		"test": [