diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 7103046..036399d 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,23 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
 <!-- https://phpunit.de/manual/current/en/appendixes.configuration.html -->
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/8.5/phpunit.xsd"
-         backupGlobals="false"
-         colors="true"
->
-    <testsuites>
-        <testsuite name="Integration">
-            <directory>tests/Integration</directory>
-        </testsuite>
-        <testsuite name="Unit">
-            <directory>tests/Unit</directory>
-        </testsuite>
-    </testsuites>
-
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
-            <directory>src</directory>
-        </whitelist>
-    </filter>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd" backupGlobals="false" colors="true">
+  <coverage processUncoveredFiles="true">
+    <include>
+      <directory>src</directory>
+    </include>
+  </coverage>
+  <testsuites>
+    <testsuite name="Integration">
+      <directory>tests/Integration</directory>
+    </testsuite>
+    <testsuite name="Unit">
+      <directory>tests/Unit</directory>
+    </testsuite>
+  </testsuites>
 </phpunit>