diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46d8ab71b..27f8414b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ 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 adheres to [Calendar Versioning](https://calver.org)html).
 
-## [Unreleased]
+## [21.5.0] - 2021-05-25
 
 **Dropped support for GMP v7, v8 and v9!**
 
@@ -64,7 +64,6 @@ and this project adheres to [Calendar Versioning](https://calver.org)html).
   * Detached the Task API calls from the GMP class into a new `TasksMixin`. [#443](https://github.com/greenbone/python-gvm/pull/443)
 * Moved helper functions from gmp to utils. The response XML will not be recovered by the parser anymore! [#442](https://github.com/greenbone/python-gvm/pull/442)
 
-### Deprecated
 ### Removed
 * Removed `sync_feed`, `sync_scap`, and `sync_cert` calls. [#472](https://github.com/greenbone/python-gvm/pull/472)
 * Removed `TimeUnit`. It was used for schedules before iCal and is not required anymore. [#469](https://github.com/greenbone/python-gvm/pull/469)
@@ -79,10 +78,7 @@ and this project adheres to [Calendar Versioning](https://calver.org)html).
   [#439](https://github.com/greenbone/python-gvm/pull/439)
   [#444](https://github.com/greenbone/python-gvm/pull/444)
 
-### Fixed
-
-[Unreleased]: https://github.com/greenbone/python-gvm/compare/v21.4.0...HEAD
-
+[21.5.0]: https://github.com/greenbone/python-gvm/compare/v21.4.0...v21.5.0
 
 ## [21.4.0] - 2021-04-26
 ### Changed
diff --git a/gvm/__version__.py b/gvm/__version__.py
index 3b9070cf5..38e2245cb 100644
--- a/gvm/__version__.py
+++ b/gvm/__version__.py
@@ -2,4 +2,4 @@
 
 # THIS IS AN AUTOGENERATED FILE. DO NOT TOUCH!
 
-__version__ = "21.4.1.dev1"
+__version__ = "21.5.0"
diff --git a/pyproject.toml b/pyproject.toml
index a4731e23f..1f71652fc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.masonry.api"
 
 [tool.poetry]
 name = "python-gvm"
-version = "21.4.1.dev1"
+version = "21.5.0"
 description = "Library to communicate with remote servers over GMP or OSP" 
 license = "GPL-3.0-or-later"
 authors = ["Greenbone Networks GmbH <info@greenbone.net>"]