diff --git a/CHANGELOG.md b/CHANGELOG.md
index ddf5372f9e6..9e699da00bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -179,6 +179,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### API Breaking Changes
 
+* [#15211](https://github.com/cosmos/cosmos-sdk/pull/15211) Remove usage of `github.com/cometbft/cometbft/libs/bytes.HexBytes` in favor of `[]byte`.
 * [#15011](https://github.com/cosmos/cosmos-sdk/pull/15011) All functions that were taking a CometBFT logger, now take `cosmossdk.io/log.Logger` instead.
 * (x/auth) [#14758](https://github.com/cosmos/cosmos-sdk/pull/14758) Refactor transaction searching:
     * Refactor `QueryTxsByEvents` to accept a `query` of type `string` instead of `events` of type `[]string`