diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8fa8fc45f..ecf962d07 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,8 +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).
 
-## [Unreleased]
-### Added
+## [21.6.0] - 2021-06-21
 ### Changed
 * Changed API calls for SecInfo [#501](https://github.com/greenbone/python-gvm/pull/501):
   * `get_nvt_list()` -> `get_nvts()`
@@ -16,12 +15,7 @@ and this project adheres to [Calendar Versioning](https://calver.org).
   * `get_dnf_cert_advisory_list()` -> `get_dnf_cert_advisories()`
   * `get_oval_definition_list()` -> `get_oval_definitions()`
 
-### Deprecated
-### Removed
-### Fixed
-
-[Unreleased]: https://github.com/greenbone/python-gvm/compare/v21.5.2...HEAD
-
+[21.6.0]: https://github.com/greenbone/python-gvm/compare/v21.5.2...v21.6.0
 
 ## [21.5.2] - 2021-06-01
 ### Added
diff --git a/gvm/__version__.py b/gvm/__version__.py
index 8914fe565..e0f4c05eb 100644
--- a/gvm/__version__.py
+++ b/gvm/__version__.py
@@ -2,4 +2,4 @@
 
 # THIS IS AN AUTOGENERATED FILE. DO NOT TOUCH!
 
-__version__ = "21.5.3.dev1"
+__version__ = "21.6.0"
diff --git a/pyproject.toml b/pyproject.toml
index 24109fee5..31c1898f2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.masonry.api"
 
 [tool.poetry]
 name = "python-gvm"
-version = "21.5.3.dev1"
+version = "21.6.0"
 description = "Library to communicate with remote servers over GMP or OSP" 
 license = "GPL-3.0-or-later"
 authors = ["Greenbone Networks GmbH <info@greenbone.net>"]