diff --git a/tests/phpunit.xml b/tests/phpunit.xml
index 0c5ad458a..721c99ae2 100644
--- a/tests/phpunit.xml
+++ b/tests/phpunit.xml
@@ -1,30 +1,31 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <phpunit
+		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 		bootstrap="bootstrap.php"
 		verbose="true"
-		backupGlobals="false"
 		timeoutForSmallTests="900"
 		timeoutForMediumTests="900"
-		timeoutForLargeTests="900">
-	<testsuite name='friendica'>
-		<directory suffix='.php'>functional/</directory>
-		<directory suffix='.php'>legacy/</directory>
-		<directory suffix='.php'>src/</directory>
+		timeoutForLargeTests="900"
+		xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+	<testsuite name="friendica">
+		<directory suffix=".php">functional/</directory>
+		<directory suffix=".php">legacy/</directory>
+		<directory suffix=".php">src/</directory>
 	</testsuite>
 	<!-- Filters for Code Coverage -->
-	<filter>
-		<whitelist>
+	<coverage>
+		<include>
 			<directory suffix=".php">..</directory>
-			<exclude>
-				<directory suffix=".php">../config/</directory>
-				<directory suffix=".php">../doc/</directory>
-				<directory suffix=".php">../images/</directory>
-				<directory suffix=".php">../library/</directory>
-				<directory suffix=".php">../spec/</directory>
-				<directory suffix=".php">../tests/</directory>
-				<directory suffix=".php">../view/</directory>
-				<directory suffix=".php">../vendor/</directory>
-			</exclude>
-		</whitelist>
-	</filter>
+		</include>
+		<exclude>
+			<directory suffix=".php">../config/</directory>
+			<directory suffix=".php">../doc/</directory>
+			<directory suffix=".php">../images/</directory>
+			<directory suffix=".php">../library/</directory>
+			<directory suffix=".php">../spec/</directory>
+			<directory suffix=".php">../tests/</directory>
+			<directory suffix=".php">../view/</directory>
+			<directory suffix=".php">../vendor/</directory>
+		</exclude>
+	</coverage>
 </phpunit>