diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ab0aac3..8f62112d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## 3.5.8.dev
 * Extend [auth]: re-factor & overhaul LDAP authentication, especially for Python's ldap module
 * Fix: out-of-range timestamp on 32-bit systems
+* Feature: extend logging with response size in bytes and flag served as plain or gzip
 
 ## 3.5.7
 * Extend: [auth] dovecot: add support for version >= 2.4