diff --git a/CHANGELOG b/CHANGELOG
index 6e9b0ef11..e7ae27dce 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -4,6 +4,7 @@
 Version 1.1.33 under development
 --------------------------------
 
+- Bug #4598: PHP 8.5 compatibility: Fix deprecated non-canonical casts to canonical forms (ac-dc)
 - Bug #4607: Fix loading CHttpSessionHandler when using yiilite on Yii 1.1.32 and PHP 7+ (tance77, marcovtwout)
 
 Version 1.1.32 December 23, 2025