diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 6c0cc0d..0166177 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,18 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.5/phpunit.xsd"
-         bootstrap="vendor/autoload.php"
+<phpunit bootstrap="vendor/autoload.php"
          backupGlobals="false"
+         backupStaticProperties="false"
          colors="true"
          processIsolation="false"
-         stopOnFailure="false"
          cacheDirectory=".phpunit.cache"
-         backupStaticProperties="false">
+         stopOnFailure="false">
     <testsuites>
         <testsuite name="Test Suite">
             <directory>tests</directory>
         </testsuite>
     </testsuites>
+    <source>
+        <include>
+            <directory suffix=".php">src</directory>
+        </include>
+    </source>
     <php>
         <server name="APP_ENV" value="testing"/>
         <server name="BCRYPT_ROUNDS" value="4"/>