diff --git a/src/Factories/TestCaseFactory.php b/src/Factories/TestCaseFactory.php
index bc75f5c1..f7d4125c 100644
--- a/src/Factories/TestCaseFactory.php
+++ b/src/Factories/TestCaseFactory.php
@@ -216,6 +216,7 @@ final class TestCaseFactory
             eval("
                 namespace $namespace;
 
+                #[AllowDynamicProperties]
                 final class $className extends $baseClass implements $hasPrintableTestCaseClassFQN {
                     $traitsCode