diff --git a/tests/Reflection/Dibi/DibiFluentClassReflectionExtensionTest.php b/tests/Reflection/Dibi/DibiFluentClassReflectionExtensionTest.php
index b6043fa..e82fad3 100644
--- a/tests/Reflection/Dibi/DibiFluentClassReflectionExtensionTest.php
+++ b/tests/Reflection/Dibi/DibiFluentClassReflectionExtensionTest.php
@@ -5,7 +5,7 @@
 use PHPStan\Reflection\ParametersAcceptorSelector;
 use PHPStan\Type\VerbosityLevel;
 
-class DibiFluentClassReflectionExtensionTest extends \PHPStan\Testing\TestCase
+class DibiFluentClassReflectionExtensionTest extends \PHPStan\Testing\PHPStanTestCase
 {
 
 	/** @var \PHPStan\Broker\Broker */