diff --git a/composer.json b/composer.json
index d09dbb4a..b1ab465c 100644
--- a/composer.json
+++ b/composer.json
@@ -33,8 +33,8 @@
 		"installer-name": "Vector"
 	},
 	"require-dev": {
-		"mediawiki/mediawiki-codesniffer": "33.0.0",
-		"mediawiki/mediawiki-phan-config": "0.10.4",
+		"mediawiki/mediawiki-codesniffer": "34.0.0",
+		"mediawiki/mediawiki-phan-config": "0.10.5",
 		"mediawiki/minus-x": "1.1.0",
 		"php-parallel-lint/php-console-highlighter": "0.5.0",
 		"php-parallel-lint/php-parallel-lint": "1.2.0"