diff --git a/CHANGES b/CHANGES
index bf6effbc65..56187b6191 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,7 @@ OpenLDAP 2.4.59 Engineering
 	Fixed libldap TLSv1.3 cipher suites with OpenSSL 1.1.1 (ITS#9521)
 	Fixed slapd syncrepl handling of add+delete on single value attr (ITS#9295)
 	Fixed slapd-mdb to cursor init check (ITS#9526)
+	Fixed slapo-pcache locking during expiration (ITS#9529)
 	Contrib
 		Fixed slapo-autogroup to not thrash thead context (ITS#9494)