diff --git a/application/tests/_ci_phpunit_test/CIPHPUnitTestCase.php b/application/tests/_ci_phpunit_test/CIPHPUnitTestCase.php
index 27c8d52..508336d 100644
--- a/application/tests/_ci_phpunit_test/CIPHPUnitTestCase.php
+++ b/application/tests/_ci_phpunit_test/CIPHPUnitTestCase.php
@@ -21,6 +21,7 @@ class_alias('PHPUnit\Framework\TestCase', 'PHPUnit_Framework_TestCase');
  * @property CIPHPUnitTestDouble     $double
  * @property CIPHPUnitTestReflection $reflection
  */
+#[\AllowDynamicProperties]
 class CIPHPUnitTestCase extends TestCase
 {
 	protected $_error_reporting = -1;