diff --git a/CHANGELOG.md b/CHANGELOG.md
index 647bdee1d19..a7968c4bd9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@ In case, there is no issue present, the pull request implementing the feature is
 
 Note that this project **does not** adhere to [Semantic Versioning](https://semver.org/).
 
-## [Unreleased]
+## [6.0-alpha] – 2024-12-23
 
 ### Added
 
@@ -1488,7 +1488,7 @@ The changelog of JabRef 4.x is available at the [v4.3.1 tag](https://github.com/
 The changelog of JabRef 3.x is available at the [v3.8.2 tag](https://github.com/JabRef/jabref/blob/v3.8.2/CHANGELOG.md).
 The changelog of JabRef 2.11 and all previous versions is available as [text file in the v2.11.1 tag](https://github.com/JabRef/jabref/blob/v2.11.1/CHANGELOG).
 
-[Unreleased]: https://github.com/JabRef/jabref/compare/v5.15...HEAD
+[6.0-alpha]: https://github.com/JabRef/jabref/compare/v5.15...v6.0-alpha
 [5.15]: https://github.com/JabRef/jabref/compare/v5.14...v5.15
 [5.14]: https://github.com/JabRef/jabref/compare/v5.13...v5.14
 [5.13]: https://github.com/JabRef/jabref/compare/v5.12...v5.13
diff --git a/GitVersion.yml b/GitVersion.yml
index 11c5cf1d81b..02cafeab994 100644
--- a/GitVersion.yml
+++ b/GitVersion.yml
@@ -5,5 +5,5 @@ mode: ContinuousDeployment
 branches:
   main:
     regex: ^main
-    tag: ''
-    pre-release-weight: 0  # 0 after stable release, 15000 before alpha release, 30000 before beta release, 50000 before stable release
+    tag: 'alpha'
+    pre-release-weight: 15000 # 0 after stable release, 15000 before alpha release, 30000 before beta release, 50000 before stable release