diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..32a4378
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,40 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project does adhere to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+
+## [1.2.1] – 2025-12-03
+### Fixed
+- Soft-fail on unknown social service types. (continue export even if a service field fails)
+- SQL sanitize respects `INNER JOIN`. Fixes an error introduced in v1.1.0 which would prohibit export of contacts with at least one social service.
+
+
+## [1.2.0] – 2025-06-09
+### Added
+- Support for exporting external image files
+
+
+## [1.1.1] – 2025-06-09
+### Fixed
+- Escape newline character in x520
+
+
+## [1.1.0] – 2024-01-27
+### Added
+- Multi-file export
+
+### Fixed
+- Ignore non-existing columns
+
+
+## [1.0.1] – 2023-02-21
+Initial release
+
+
+[1.2.1]: https://github.com/relikd/abcddb2vcard/compare/v1.2.0...v1.2.1
+[1.2.0]: https://github.com/relikd/abcddb2vcard/compare/v1.1.1...v1.2.0
+[1.1.1]: https://github.com/relikd/abcddb2vcard/compare/v1.1.0...v1.1.1
+[1.1.0]: https://github.com/relikd/abcddb2vcard/compare/v1.0.1...v1.1.0
+[1.0.1]:https://github.com/relikd/abcddb2vcard/compare/4d3af13996bbd26dcb07285a8460f04af345fa85...v1.0.1
diff --git a/abcddb2vcard/__init__.py b/abcddb2vcard/__init__.py
index 3d5768e..587fcd9 100644
--- a/abcddb2vcard/__init__.py
+++ b/abcddb2vcard/__init__.py
@@ -2,6 +2,6 @@
 '''
 Convert AddressBook database (.abcddb) to Contacts VCards file (.vcf)
 '''
-__version__ = '1.2.0'
+__version__ = '1.2.1'
 
 from .ABCDDB import ABCDDB