diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45b57c423..5a57dc28f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,9 +5,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## [1.2.1] - 2023-11-23
+
 ### Fixed
 
-* Changed 'author' to be used as Recorder and 'practitioner' to be used as Asserter in AllergyIntolerance.
+* Swapped the mixed-up population of 'author' and 'practitioner' fields in AllergyIntolerance.
 * A SystmOne attachment split into multiple chunks can arrive with the same filename "Untitled".
   Previously each fragment would be stored using the filename provided, which in the case of SystmOne caused chunks to overwrite each other.
   The adaptor now generates a UUID which is prepended to the filename of a provided chunk to ensure uniqueness.
diff --git a/release-scripts/release.sh b/release-scripts/release.sh
index 398637c4e..0cb5aebcf 100755
--- a/release-scripts/release.sh
+++ b/release-scripts/release.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-export BUILD_TAG=1.2.0
+export BUILD_TAG=1.2.1
 
 git fetch
 git checkout $BUILD_TAG