diff --git a/CHANGELOG.md b/CHANGELOG.md
index 247845dfb..dfc6953fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ and this library adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+- `Account` data class works with `accountUuid: ByteArray` instead of the previous ZIP 32 account index
+- These functions from `DerivationTool` have been refactored to work with the ZIP 32 account index instead of the
+  `Account` data class: `deriveUnifiedSpendingKey`, `deriveUnifiedAddress`, `deriveArbitraryAccountKey`
+
 ## [2.2.6] - 2024-11-16
 
 ### Added