diff --git a/cmd/update_domain_port.go b/cmd/update_domain_port.go
new file mode 100644
index 0000000..c83ca5b
--- /dev/null
+++ b/cmd/update_domain_port.go
@@ -0,0 +1,83 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/spf13/cobra"
+	"stackroost/internal"
+	"stackroost/internal/logger"
+)
+
+var updatePortCmd = &cobra.Command{
+	Use:   "update-domain-port",
+	Short: "Update the port for a domain and reload the web server",
+	Run: func(cmd *cobra.Command, args []string) {
+		domain, _ := cmd.Flags().GetString("domain")
+		newPort, _ := cmd.Flags().GetString("port")
+
+		if internal.IsNilOrEmpty(domain) || internal.IsNilOrEmpty(newPort) {
+			logger.Error("Both --domain and --port are required")
+			os.Exit(1)
+		}
+
+		server := internal.DetectServerType(domain)
+		if server == "" {
+			logger.Error("Could not detect server type (no config found)")
+			os.Exit(1)
+		}
+
+		var configPath string
+		switch server {
+		case "apache":
+			configPath = filepath.Join("/etc/apache2/sites-available", domain+".conf")
+		case "nginx":
+			configPath = filepath.Join("/etc/nginx/sites-available", domain+".conf")
+		case "caddy":
+			configPath = filepath.Join("/etc/caddy/sites-available", domain+".conf")
+		}
+
+		logger.Info(fmt.Sprintf("Updating port in %s configuration", server))
+
+		content, err := os.ReadFile(configPath)
+		if err != nil {
+			logger.Error(fmt.Sprintf("Failed to read config file: %v", err))
+			os.Exit(1)
+		}
+
+		// Backup
+		backupPath := configPath + ".bak"
+		_ = os.WriteFile(backupPath, content, 0644)
+		logger.Info(fmt.Sprintf("Backup created: %s", backupPath))
+
+		updated := strings.ReplaceAll(string(content), ":80", ":"+newPort)
+		if err := os.WriteFile(configPath, []byte(updated), 0644); err != nil {
+			logger.Error(fmt.Sprintf("Failed to update config file: %v", err))
+			os.Exit(1)
+		}
+
+		logger.Success(fmt.Sprintf("Port updated to %s for domain %s", newPort, domain))
+
+		// Reload
+		switch server {
+		case "apache":
+			internal.RunCommand("sudo", "systemctl", "reload", "apache2")
+		case "nginx":
+			internal.RunCommand("sudo", "systemctl", "reload", "nginx")
+		case "caddy":
+			internal.RunCommand("sudo", "systemctl", "reload", "caddy")
+		}
+
+		logger.Success(fmt.Sprintf("%s server reloaded successfully", strings.ToUpper(server)))
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(updatePortCmd)
+	updatePortCmd.Flags().String("domain", "", "Domain name to update")
+	updatePortCmd.Flags().String("port", "", "New port number")
+	updatePortCmd.MarkFlagRequired("domain")
+	updatePortCmd.MarkFlagRequired("port")
+}