diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68a77df..b6fb134 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.4.2] - 2026-05-28
+
+### Added
+* Added build option to set `MKL_THREADING` in CMake [gh-217](https://github.com/IntelPython/mkl_umath/pull/217)
+
 ## [0.4.1] - 2026-05-11
 
 ### Fixed