diff --git a/CHANGELOG.md b/CHANGELOG.md
index b42a7e5..4bf151c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 
 ## [unreleased]
 
+### Bug Fixes
+
+- Fix: make certain fields in Event as optional types
+
 ## [0.1.7] - 2023-07-31
 
 ### Features