diff --git a/CHANGELOG.md b/CHANGELOG.md
index 40796fa..087e42c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ### v3.9.x - [Unreleased]
 
-### v3.9.6.2 - 2019-07-23
+### v3.9.6.2 - 2019-07-24
+
+#### Changed
+
+- Improve `wo update` process duration
+- Improve package install/upgrade/remove process
 
 #### Fixed