diff --git a/composer.json b/composer.json
index a698e7e..fdac14d 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "femiwiki/achievement-badges",
   "description": "Provides an achievement system",
   "require-dev": {
-    "mediawiki/mediawiki-codesniffer": "40.0.1",
+    "mediawiki/mediawiki-codesniffer": "43.0.0",
     "mediawiki/mediawiki-phan-config": "0.12.0",
     "mediawiki/minus-x": "1.1.1",
     "php-parallel-lint/php-console-highlighter": "1.0.0",