diff --git a/main.go b/main.go
index eabae84..400dc0a 100644
--- a/main.go
+++ b/main.go
@@ -21,7 +21,7 @@ import (
 	"github.com/gotk3/gotk3/gtk"
 )
 
-const version = "0.3.9"
+const version = "0.4.0"
 
 var (
 	appDirs         []string