diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d99c78..c2e0818 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ Check our main [developer changelog](https://developer.paddle.com/?utm_source=dx
 ### Fixed
 
 - Dropped `receipt_data` on create and preview of a one-time charge for Subscriptions and Transactions
+- `EventsClient::list` and `Notification->payload` will now return an `UndefinedEvent` for unknown event types.
 
 # [1.3.1] - 2024-09-30