diff --git a/src/FontawesomeAsset.php b/src/FontawesomeAsset.php
index 073801a..bf614ab 100644
--- a/src/FontawesomeAsset.php
+++ b/src/FontawesomeAsset.php
@@ -6,6 +6,7 @@
  * Font-Awesome Dependent Source Asset 
  *
  * @author  Nick Tsai <myintaer@gmail.com>
+ * @version 4.0.0
  * @package fortawesome/font-awesome
  * @see     https://github.com/FortAwesome/Font-Awesome
  */