diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc59e78a3..82d466de7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,16 @@ 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).
 
+## [0.1.137] - 2026-06-17
+
+### Added
+
+- Add HIAC .xls file support to Beckman PharmSpec parser (#1232)
+
+### Fixed
+
+- Accept numeric-only Machine ID in Mabtech APEX parser (#1231)
+
 ## [0.1.136] - 2026-06-11
 
 ### Fixed
diff --git a/src/allotropy/__about__.py b/src/allotropy/__about__.py
index ff5525a5c..a877dd043 100644
--- a/src/allotropy/__about__.py
+++ b/src/allotropy/__about__.py
@@ -1 +1 @@
-__version__ = "0.1.136"
+__version__ = "0.1.137"