diff --git a/resources/functions.php b/resources/functions.php
index 2931e0839c..94e816d68a 100644
--- a/resources/functions.php
+++ b/resources/functions.php
@@ -27,7 +27,7 @@
 
 	if (!function_exists('software_version')) {
 		function software_version() {
-			return '4.5.8';
+			return '4.5.9';
 		}
 	}