diff --git a/main.go b/main.go
index b7d43e5b..627a50b1 100644
--- a/main.go
+++ b/main.go
@@ -9,7 +9,7 @@ import (
 	"github.com/DQNEO/babygo/lib/strconv"
 )
 
-const Version string = "0.2.0"
+const Version string = "0.3.0"
 
 const ProgName string = "babygo"