diff --git a/core/lib/Drupal/Core/Extension/Extension.php b/core/lib/Drupal/Core/Extension/Extension.php
index be92a25fc1..b775e992bd 100644
--- a/core/lib/Drupal/Core/Extension/Extension.php
+++ b/core/lib/Drupal/Core/Extension/Extension.php
@@ -10,6 +10,7 @@
  *
  * @see https://bugs.php.net/bug.php?id=66052
  */
+#[\AllowDynamicProperties]
 class Extension {
 
   /**
diff --git a/core/modules/views/src/ResultRow.php b/core/modules/views/src/ResultRow.php
index 30814bf628..2399f69983 100644
--- a/core/modules/views/src/ResultRow.php
+++ b/core/modules/views/src/ResultRow.php
@@ -5,6 +5,7 @@
 /**
  * A class representing a view result row.
  */
+#[\AllowDynamicProperties]
 class ResultRow {
 
   /**