diff --git a/phpunit.xml b/phpunit.xml
index 7d0904f..8b5319c 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -3,6 +3,9 @@
          xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.3/phpunit.xsd"
          bootstrap="vendor/autoload.php"
          colors="true"
+         failOnWarning="true"
+         failOnDeprecation="true"
+         failOnNotice="true"
 >
     <testsuites>
         <testsuite name="Test Suite">