diff --git a/core/core.go b/core/core.go
index 1e274f5a..bb66da8e 100644
--- a/core/core.go
+++ b/core/core.go
@@ -19,8 +19,8 @@ import (
 
 var (
 	Version_x byte = 26
-	Version_y byte = 5
-	Version_z byte = 9
+	Version_y byte = 6
+	Version_z byte = 1
 )
 
 var (