diff --git a/CHANGES.txt b/CHANGES.txt
index f88ceb1786..1cba2b7688 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -112,6 +112,7 @@
 
   PHP
   * Fix: add missing reserved classnames (#9458)
+  * PHP 8.1 compatibility (#9370)
 
   C#
   * Fix trim warnings (#9182)