diff --git a/CHANGELOG.md b/CHANGELOG.md
index a73158926c91435b893f37273e9d2e34edb0863f..ebefa257409617414cc529b2b57b44a21ceca48a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,14 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 
 ## [Unreleased]
-[Unreleased]: https://github.com/althonos/mini3di/compare/v0.2.0...HEAD
+[Unreleased]: https://github.com/althonos/mini3di/compare/v0.2.1...HEAD
+
+
+## [v0.2.1] - 2024-09-15
+[v0.2.1]: https://github.com/althonos/mini3di/compare/v0.2.0...v0.2.1
+
+### Fixed
+- Typo in atom mask creation ([#3](https://github.com/althonos/mini3di/pull/3)).
 
 
 ## [v0.2.0] - 2024-09-13
diff --git a/mini3di/__init__.py b/mini3di/__init__.py
index bdb4581fbdc9a5dbedd14188adac0e6cba7c71f1..11c71ca72fbe0d6377c85bbdb5a39e5aba4ae199 100644
--- a/mini3di/__init__.py
+++ b/mini3di/__init__.py
@@ -2,7 +2,7 @@
 """
 
 __all__ = ["Encoder", "FeatureEncoder", "PartnerIndexEncoder", "VirtualCenterEncoder"]
-__version__ = "0.2.0"
+__version__ = "0.2.1"
 __author__ = "Martin Larralde <martin.larralde@embl.de>"
 __license__ = "BSD-3-Clause"
 __credits__ = "Martin Steinegger and his lab for ``foldseek``."