diff --git a/src/Robo.php b/src/Robo.php
index 9c121ddae..9e34ccb35 100644
--- a/src/Robo.php
+++ b/src/Robo.php
@@ -21,7 +21,7 @@
 class Robo
 {
     const APPLICATION_NAME = 'Robo';
-    const VERSION = '2.2.1-dev';
+    const VERSION = '2.2.1';
 
     /**
      * The currently active container object, or NULL if not initialized yet.