diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c58249..a71345d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.2.1]
+
+### Bug Fixes
+
+- Fix unsoundness issue [#1](https://github.com/polazarus/rodeo/issues/1)
+
 ## [0.2.0]
 
 ### Bug Fixes
@@ -41,4 +47,4 @@ All notable changes to this project will be documented in this file.
 
 ## [0.1.0] - 2022-11-15
 
-First MVP release
\ No newline at end of file
+First MVP release