diff --git a/src/Medoo.php b/src/Medoo.php
index 30b40191..1640ca69 100644
--- a/src/Medoo.php
+++ b/src/Medoo.php
@@ -2,7 +2,7 @@
 /*!
  * Medoo database framework
  * https://medoo.in
- * Version 1.5.5
+ * Version 1.5.6
  *
  * Copyright 2018, Angel Lai
  * Released under the MIT license