diff --git a/composer.json b/composer.json
index c01eba6..6ebf7d5 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
 		"jakub-onderka/php-parallel-lint": "1.0.0",
 		"jakub-onderka/php-console-highlighter": "0.3.2",
 		"mediawiki/minus-x": "0.3.2",
-		"mediawiki/mediawiki-codesniffer": "28.0.0"
+		"mediawiki/mediawiki-codesniffer": "29.0.0"
 	},
 	"scripts": {
 		"test": [