diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1662be..8770ed0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## Version 0.3.0 - 2023-02-22
+
+### Features
+
+- Add optional map serialization.
+
 ## Version 0.2.1 - 2023-01-31
 
 ### Miscellaneous Tasks