diff --git a/core/core.go b/core/core.go
index e36a90e2..345f9daf 100644
--- a/core/core.go
+++ b/core/core.go
@@ -19,7 +19,7 @@ import (
 var (
 	Version_x byte = 25
 	Version_y byte = 3
-	Version_z byte = 3
+	Version_z byte = 6
 )
 
 var (