diff --git a/tests/phpunit.xml b/tests/phpunit.xml
index 9bc7f26..eccea20 100644
--- a/tests/phpunit.xml
+++ b/tests/phpunit.xml
@@ -1,24 +1,22 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
-    bootstrap="./bootstrap.php"
-    colors="true"
-    convertDeprecationsToExceptions="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
-    stopOnError="false"
-    stopOnFailure="false"
-    stopOnIncomplete="false"
-    stopOnSkipped="false"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  bootstrap="./bootstrap.php"
+  colors="true"
+  stopOnError="false"
+  stopOnFailure="false"
+  stopOnIncomplete="false"
+  stopOnSkipped="false"
+  xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
 >
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
-            <directory suffix=".php">../src/</directory>
-        </whitelist>
-    </filter>
-    <testsuites>
-        <testsuite name="StreamDecorators">
-            <directory suffix="Test.php">StreamDecorators</directory>
-        </testsuite>
-    </testsuites>
+  <coverage processUncoveredFiles="true">
+    <include>
+      <directory suffix=".php">../src/</directory>
+    </include>
+  </coverage>
+  <testsuites>
+    <testsuite name="StreamDecorators">
+      <directory suffix="Test.php">StreamDecorators</directory>
+    </testsuite>
+  </testsuites>
 </phpunit>