--- a/CHANGELOG.md	Thu Feb 24 16:35:48 2022 +0000
+++ b/CHANGELOG.md	Sun Mar 20 15:44:07 2022 +0000
@@ -5,7 +5,11 @@
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
-[Unreleased]: https://git.embl.de/grp-zeller/GECCO/compare/v0.8.10...master
+[Unreleased]: https://git.embl.de/grp-zeller/GECCO/compare/v0.9.1-alpha1...master
+
+## [v0.9.1-alpha1] - 2022-03-20
+[v0.9.1-alpha1]: https://git.embl.de/grp-zeller/GECCO/compare/v0.8.10...v0.9.1-alpha1
+Candidate release with support for a sliding window in the CRF prediction algorithm.
 
 ## [v0.8.10] - 2022-02-23
 [v0.8.10]: https://git.embl.de/grp-zeller/GECCO/compare/v0.8.9...v0.8.10
@@ -68,12 +72,6 @@
 ### Changed
 - Default probability threshold for segmentation to 0.3 (from 0.4).
 
-## [v0.9.0] - 2021-08-10 - **YANKED**
-[v0.9.0]: https://git.embl.de/grp-zeller/GECCO/compare/v0.8.2...v0.9.0
-### Changed
-- Retrain internal model using `--select=0.35` instead of `--select=0.25` like before.
-- Change default *p-value* filter from 1e-9 to 1e-5 to detect more features.
-
 ## [v0.8.2] - 2021-07-31
 [v0.8.2]: https://git.embl.de/grp-zeller/GECCO/compare/v0.8.1...v0.8.2
 ### Fixed