diff --git a/CHANGELOG.md b/CHANGELOG.md
index a8a99dfe3..8d5bcb382 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -51,6 +51,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Type inference for Structs with instance methods https://github.com/o1-labs/snarkyjs/pull/567
   - also fixes `Struct.fromJSON`
 - `SmartContract.fetchEvents` fixed when multiple event types existed https://github.com/o1-labs/snarkyjs/issues/627
+- Error when using reduce with a `Struct` as state type https://github.com/o1-labs/snarkyjs/pull/689
 
 ## [0.7.3](https://github.com/o1-labs/snarkyjs/compare/5f20f496...d880bd6e)