diff --git a/NEWS b/NEWS
index f5edf5c8d16..495f092a2f4 100644
--- a/NEWS
+++ b/NEWS
@@ -19,6 +19,9 @@ PHP                                                                        NEWS
 - Session:
   . Added support for partitioned cookies. (nielsdos)
 
+- SPL:
+  . Deprecate ArrayObject and ArrayIterator with objects. (Girgias)
+
 - Standard:
   . Fixed bug GH-16649 (UAF during array_splice). (alexandre-daubois)
   . Passing integers outside the interval [0, 255] to chr() is now deprecated.
diff --git a/UPGRADING b/UPGRADING
index 0d5981f1bc1..95d18ac296f 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -423,6 +423,8 @@ PHP 8.5 UPGRADE NOTES
     SplObjectStorage::offsetExists(), SplObjectStorage::offsetSet(), and
     SplObjectStorage::offsetUnset() respectively.
     RFC: https://wiki.php.net/rfc/deprecations_php_8_5#deprecate_splobjectstoragecontains_splobjectstorageattach_and_splobjectstoragedetach
+  . Using ArrayObject and ArrayIterator with objects has been deprecated.
+    RFC: https://wiki.php.net/rfc/deprecations_php_8_5#deprecate_arrayobject_and_arrayiterator_with_objects
 
 - Standard:
   . The socket_set_timeout() alias function has been deprecated.