diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00aa38b..cd245ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.0] - 2024-12-12
+
+Release for 6th campaign dispatching.
+
 ### Added
 
 - 6th Campaign
@@ -89,7 +93,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Docs on the database and example of querying the database.
 - Docs on the internal (Julia implementation)
 
-[unreleased]: https://gitlab.cern.ch/wotsubo/PSBoardDataBase/-/compare/v0.3.1...main
+[unreleased]: https://gitlab.cern.ch/wotsubo/PSBoardDataBase/-/compare/v0.4.0...main
+[0.4.0]: https://gitlab.cern.ch/wotsubo/PSBoardDataBase/-/compare/v0.3.1...v0.4.0
 [0.3.1]: https://gitlab.cern.ch/wotsubo/PSBoardDataBase/-/compare/v0.3.0...v0.3.1
 [0.3.0]: https://gitlab.cern.ch/wotsubo/PSBoardDataBase/-/compare/v0.2.0...v0.3.0
 [0.2.0]: https://gitlab.cern.ch/wotsubo/PSBoardDataBase/-/compare/v0.1.0...v0.2.0
diff --git a/Project.toml b/Project.toml
index af62b63..c6a9b81 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "PSBoardDataBase"
 uuid = "779f6a9c-59fa-41f1-8ed1-e9a91eccb2f5"
 authors = ["Wataru Otsubo <wotsubo@icepp.s.u-tokyo.ac.jp>"]
-version = "0.3.1"
+version = "0.4.0"
 
 [deps]
 AutoHashEquals = "15f4f7f2-30c1-5605-9d31-71845cf9641f"