diff --git a/CHANGELOG-6.x.md b/CHANGELOG-6.x.md
index 4ac1a35d..a390efd7 100644
--- a/CHANGELOG-6.x.md
+++ b/CHANGELOG-6.x.md
@@ -7,6 +7,8 @@ using the [Keep a CHANGELOG](http://keepachangelog.com) principles.
 
 ## [Unreleased]
 
+## [6.0.0] - 2021-12-11
+
 ### Added
 
 - Phar manifest (`--manifest` option) is available with Phar version only
diff --git a/cli-config.php b/cli-config.php
index ceb6a088..06bc1c5c 100644
--- a/cli-config.php
+++ b/cli-config.php
@@ -4,6 +4,7 @@
 
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\Tools\Console\ConsoleRunner;
+
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 
 require_once __DIR__ . '/config/bootstrap.php';
diff --git a/src/Presentation/Console/ApplicationInterface.php b/src/Presentation/Console/ApplicationInterface.php
index b730d616..d2cc3526 100644
--- a/src/Presentation/Console/ApplicationInterface.php
+++ b/src/Presentation/Console/ApplicationInterface.php
@@ -13,7 +13,7 @@
 interface ApplicationInterface extends ContainerAwareInterface
 {
     public const NAME = 'phpCompatInfo';
-    public const VERSION = '6.0.x-dev';
+    public const VERSION = '6.0.0';
 
     /**
      * @param CommandLoaderInterface $commandLoader