diff --git a/system/core/URI.php b/system/core/URI.php
index 1e94858835..5318371348 100644
--- a/system/core/URI.php
+++ b/system/core/URI.php
@@ -49,6 +49,7 @@
  * @author		EllisLab Dev Team
  * @link		https://codeigniter.com/userguide3/libraries/uri.html
  */
+#[\AllowDynamicProperties]
 class CI_URI {
 
 	/**