diff --git a/CHANGELOG.md b/CHANGELOG.md
index f57f89d9..01f600ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-### 4.0.4, 4.0.5 4/30/2023
+### 4.0.4, 4.0.5, 4.0.6 4/30/2023
 
 * Move register command out of runner and into Robo class. (#1143)
 * More PHP 8.2 and 8.1 Fixes (#1131, #1133, #1135, #1141)
diff --git a/src/Robo.php b/src/Robo.php
index d5536d89..500173d9 100644
--- a/src/Robo.php
+++ b/src/Robo.php
@@ -26,7 +26,7 @@
 class Robo
 {
     const APPLICATION_NAME = 'Robo';
-    private const VERSION = '4.0.6-dev';
+    private const VERSION = '4.0.6';
 
     /**
      * The currently active container object, or NULL if not initialized yet.