diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f67f24..905a81b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [4.0.0] - 2018-08-11
 ### Added
 - SHA512 Whirlpool hash algorithm
 - WoltLab Community Framework 2.x hash algorithm
@@ -83,7 +83,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Changed
 - Supported version of ownCloud, Nextcloud: ownCloud 10, Nextcloud 12
 
-[Unreleased]: https://github.com/nextcloud/user_sql/compare/v4.0.0-rc2...develop
+[4.0.0]: https://github.com/nextcloud/user_sql/compare/v4.0.0-rc2...v4.0.0
 [4.0.0-rc2]: https://github.com/nextcloud/user_sql/compare/v4.0.0-rc1...v4.0.0-rc2
 [4.0.0-rc1]: https://github.com/nextcloud/user_sql/compare/v3.1.0...v4.0.0-rc1
 [3.1.0]: https://github.com/nextcloud/user_sql/compare/v2.4.0...v3.1.0
diff --git a/appinfo/info.xml b/appinfo/info.xml
index 38207b0..83352bd 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -8,7 +8,7 @@
         Retrieve the users and groups info. Allow the users to change their passwords.
         Sync the users' email addresses with the addresses stored by Nextcloud.
     </description>
-    <version>4.0.0-dev</version>
+    <version>4.0.0</version>
     <licence>agpl</licence>
     <author>Marcin Łojewski</author>
     <author>Andreas Böhler</author>