diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2fe6bc7b4..aaec7f56e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,14 @@ All notable changes to this packages will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.1.128] - 2026-05-21
+
+### Fixed
+
+- Support new PkN column format in Stunner parser (#1205)
+- Recognize Evaluation-Kinetics sheet and SCK analyte lookup (#1204)
+- Handle QuantStudio Stop Time and non-ASCII delta columns (#1203)
+
 ## [0.1.127] - 2026-05-18
 
 ### Added
diff --git a/src/allotropy/__about__.py b/src/allotropy/__about__.py
index 70b648100..c6a448714 100644
--- a/src/allotropy/__about__.py
+++ b/src/allotropy/__about__.py
@@ -1 +1 @@
-__version__ = "0.1.127"
+__version__ = "0.1.128"