diff --git a/.eslintrc.json b/.eslintrc.json
index 1a97f6e..c498c3d 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -2,6 +2,7 @@
 	"root": true,
 	"extends": [
 		"wikimedia/client",
-		"wikimedia/jquery"
+		"wikimedia/jquery",
+		"wikimedia/mediawiki"
 	]
 }
diff --git a/.phpcs.xml b/.phpcs.xml
index 5b7a568..eddb6dc 100644
--- a/.phpcs.xml
+++ b/.phpcs.xml
@@ -2,6 +2,6 @@
 <ruleset>
 	<rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki" />
 	<file>.</file>
-	<arg name="extensions" value="php,inc" />
+	<arg name="extensions" value="php" />
 	<arg name="encoding" value="UTF-8" />
 </ruleset>
diff --git a/composer.json b/composer.json
index 591ab4b..e393c21 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
 		"php": ">=5.5.9"
 	},
 	"require-dev": {
-		"mediawiki/mediawiki-codesniffer": "31.0.0",
+		"mediawiki/mediawiki-codesniffer": "33.0.0",
 		"mediawiki/mediawiki-phan-config": "0.10.3",
 		"mediawiki/minus-x": "1.1.0",
 		"php-parallel-lint/php-console-highlighter": "0.5.0",