diff --git a/Misc/NEWS b/Misc/NEWS
index 60b62b2..1903cb6 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -52,6 +52,8 @@
 Library
 -------
 
+- Issue #9865:  collections.OrderedDict now has a __sizeof__ method.
+
 - Issue #9854: The default read() implementation in io.RawIOBase now
   handles non-blocking readinto() returning None correctly.