diff --git a/core/core.go b/core/core.go
index 05bfa38a..9a1f54ef 100644
--- a/core/core.go
+++ b/core/core.go
@@ -19,7 +19,7 @@ import (
 var (
 	Version_x byte = 26
 	Version_y byte = 1
-	Version_z byte = 23
+	Version_z byte = 31
 )
 
 var (