diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79de6c076..de3781430 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ 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).
 
+## [0.1.121] - 2026-04-21
+
+### Added
+
+- Generate REC/2023/03 liquid chromatography tabular schema models (#1188)
+
 ## [0.1.120] - 2026-04-21
 
 ### Added
diff --git a/src/allotropy/__about__.py b/src/allotropy/__about__.py
index 0b54a49d5..e76aa157b 100644
--- a/src/allotropy/__about__.py
+++ b/src/allotropy/__about__.py
@@ -1 +1 @@
-__version__ = "0.1.120"
+__version__ = "0.1.121"