diff --git a/fp-includes/core/core.system.php b/fp-includes/core/core.system.php
index edc1212..6f54630 100755
--- a/fp-includes/core/core.system.php
+++ b/fp-includes/core/core.system.php
@@ -68,7 +68,7 @@ function system_hashsalt_save($force = false) {
 	return true;
 }
 
-define('SYSTEM_VER', '1.3');
+define('SYSTEM_VER', '1.3.1.dev');
 
 function system_ver() {
 	return 'fp-' . SYSTEM_VER;