diff --git a/cmd/tunasync/tunasync.go b/cmd/tunasync/tunasync.go
index c9bed28..9e1ec41 100644
--- a/cmd/tunasync/tunasync.go
+++ b/cmd/tunasync/tunasync.go
@@ -134,7 +134,7 @@ func main() {
 	app.Name = "tunasync"
 	app.Usage = "tunasync mirror job management tool"
 	app.EnableBashCompletion = true
-	app.Version = "0.1"
+	app.Version = tunasync.Version
 	app.Commands = []cli.Command{
 		{
 			Name:    "manager",
diff --git a/cmd/tunasynctl/tunasynctl.go b/cmd/tunasynctl/tunasynctl.go
index ecea717..36a18a6 100644
--- a/cmd/tunasynctl/tunasynctl.go
+++ b/cmd/tunasynctl/tunasynctl.go
@@ -325,7 +325,7 @@ func main() {
 
 	app := cli.NewApp()
 	app.EnableBashCompletion = true
-	app.Version = "0.1"
+	app.Version = tunasync.Version
 	app.Name = "tunasynctl"
 	app.Usage = "control client for tunasync manager"
 
diff --git a/internal/version.go b/internal/version.go
new file mode 100644
index 0000000..b818a8e
--- /dev/null
+++ b/internal/version.go
@@ -0,0 +1,3 @@
+package internal
+
+const Version string = "0.2-dev"