diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12e5c97e..cde3ad4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 * Fix: out-of-range timestamp on 32-bit systems
 * Feature: extend logging with response size in bytes and flag served as plain or gzip
 * Feature: [storage] strict_preconditions: new config option to enforce strict preconditions check on PUT in case item already exists [RFC6352#9.2]
+* Fix: format_ut problem on 32-bit systems
 
 ## 3.5.7
 * Extend: [auth] dovecot: add support for version >= 2.4