diff --git a/carddav.php b/carddav.php
index caa22ba8..7c597565 100644
--- a/carddav.php
+++ b/carddav.php
@@ -33,7 +33,7 @@ class carddav extends rcube_plugin
      *
      * During development, it is set to the last release and added the suffix +dev.
      */
-    private const PLUGIN_VERSION = 'v4.0.3+dev';
+    private const PLUGIN_VERSION = 'v4.0.4';
 
     /**
      * Information about this plugin that is queried by roundcube.