diff --git a/composer.json b/composer.json
index 947af96..7731d50 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
 	"type": "mediawiki-extension",
 	"description": "MediaWiki extension to notify users if someone tries to login to their account",
 	"require-dev": {
-		"mediawiki/mediawiki-codesniffer": "36.0.0",
+		"mediawiki/mediawiki-codesniffer": "37.0.0",
 		"mediawiki/mediawiki-phan-config": "0.10.6",
 		"mediawiki/minus-x": "1.1.1",
 		"php-parallel-lint/php-console-highlighter": "0.5.0",
diff --git a/tests/phpunit/LoginNotifyTest.php b/tests/phpunit/LoginNotifyTest.php
index 63bf1a9..519e5bd 100644
--- a/tests/phpunit/LoginNotifyTest.php
+++ b/tests/phpunit/LoginNotifyTest.php
@@ -36,7 +36,7 @@ class LoginNotifyTest extends MediaWikiTestCase {
 		$this->inst->setLogger( new NullLogger );
 	}
 
-	public function setUp() : void {
+	public function setUp(): void {
 		parent::setUp();
 		$this->setUpLoginNotify();
 	}