diff --git a/vvin.go b/vvin.go
index b925103..0c7560b 100644
--- a/vvin.go
+++ b/vvin.go
@@ -20,7 +20,7 @@ import (
 )
 
 // Version is app version
-var Version string
+var Version string = "0.9.0"
 
 type globalCmd struct {
 	Target string `cli:"target,t=WINDOW_TITLE" help:"default to current window"`