diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c05bc1a6211..2f2416c2d54a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,6 +36,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## Unreleased
 
+### Client Breaking Changes
+
+* [\#9781](https://github.com/cosmos/cosmos-sdk/pull/9781) Improve`withdraw-all-rewards` UX when broadcast mode `async` or `async` is used.
+
 ## [v0.42.8](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.42.8) - 2021-07-30
 
 ### Features