diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60de1e1..1f07619 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ 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).
 
+## [1.9.3] - 2026-01-04
+
+### Fixed
+
+- Handle non-UUID `sub` claim in `/auth/sync` - Authentik JWT may return non-UUID subject identifiers
+  - Now derives deterministic UUID from sub string if direct parsing fails
+
 ## [1.9.2] - 2026-01-04
 
 ### Fixed
diff --git a/pyproject.toml b/pyproject.toml
index b3eed28..f383d9d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "core-api"
-version = "1.9.2"
+version = "1.9.3"
 description = "Core Code API - Infrastructure management and tools API"
 readme = "README.md"
 requires-python = ">=3.12"