diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f6dc8b..1bec441 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ### v3.9.x - [Unreleased]
 
+#### Fixed
+
+- `wo upgrade` output
+
 ### v3.9.8.2 - 2019-08-20
 
 #### Added