diff --git a/internal/cli/cli.go b/internal/cli/cli.go
index d702db4..cc30a9b 100644
--- a/internal/cli/cli.go
+++ b/internal/cli/cli.go
@@ -12,6 +12,8 @@ import (
 
 type Options struct {
 	ShowVersion bool
+	WebhookURL  string
+	TimeoutSec  int	
 }
 
 func Run(args []string) int {
@@ -26,6 +28,10 @@ func run(args []string, stdin io.Reader, stdout, stderr io.Writer) int {
 	var opt Options
 	fs.BoolVar(&opt.ShowVersion, "version", false, "show version")
 	fs.BoolVar(&opt.ShowVersion, "V", false, "show version (short)")
+	// other options
+	fs.StringVar(&opt.WebhookURL, "webhook", "", "Slack Incoming Webhook URL (or env SLACK_WEBHOOK_URL)")
+	fs.IntVar(&opt.TimeoutSec, "timeout", 10, "HTTP timeout seconds")
+
 
 	if err := fs.Parse(args[1:]); err != nil {
 		if err == flag.ErrHelp {