diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9175c15..3682084 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## Version 1.2.1-dev
+## Version 1.2.1
 * Fixed fatal error when trying to access ```ContainerBuilder::$outputFormat``` on PHP 5.3.3
 
 ## Version 1.2.0
diff --git a/src/Infrastructure/Application.php b/src/Infrastructure/Application.php
index 2937629..082a2d4 100644
--- a/src/Infrastructure/Application.php
+++ b/src/Infrastructure/Application.php
@@ -6,7 +6,7 @@
 
 class Application extends \Symfony\Component\Console\Application
 {
-    const VERSION = '1.2.1-dev';
+    const VERSION = '1.2.1';
 
     /**
      * {@inheritdoc}