diff --git a/radigo.go b/radigo.go
index 0f9d0e9..4c4b0fa 100644
--- a/radigo.go
+++ b/radigo.go
@@ -8,7 +8,6 @@ import (
 )
 
 const (
-	version        = "0.4.1"
 	envRardigoHome = "RADIGO_HOME"
 
 	tz             = "Asia/Tokyo"
@@ -42,6 +41,8 @@ func init() {
 	}
 }
 
+const version = "v0.4.2"
+
 // Version returns the app version.
 func Version() string {
 	return version