diff --git a/tests/phpunit/ServiceWiringTest.php b/tests/phpunit/ServiceWiringTest.php
index d2f1217..41b1fa2 100644
--- a/tests/phpunit/ServiceWiringTest.php
+++ b/tests/phpunit/ServiceWiringTest.php
@@ -1,34 +1,34 @@
 <?php
 
 /**
  * Copy of CentralAuth's CentralAuthServiceWiringTest.php
  * used to test the ServiceWiring.php file.
  */
 
 namespace MediaWiki\Extension\EnhancedUpload\Test;
 
 use MediaWiki\MediaWikiServices;
 use MediaWikiIntegrationTestCase;
 
 /**
  * Tests ServiceWiring.php
  *
  * @coversNothing PHPUnit does not support covering annotations for files
  * @group EnhancedUpload
  */
 class ServiceWiringTest extends MediaWikiIntegrationTestCase {
 	/**
 	 * @dataProvider provideService
 	 */
 	public function testService( string $name ) {
 		MediaWikiServices::getInstance()->get( $name );
 		$this->addToAssertionCount( 1 );
 	}
 
-	public function provideService() {
+	public static function provideService() {
 		$wiring = require __DIR__ . '/../../includes/ServiceWiring.php';
 		foreach ( $wiring as $name => $_ ) {
 			yield $name => [ $name ];
 		}
 	}
 }