diff --git a/opnsense-carp-dhcp.py b/opnsense-carp-dhcp.py
index 0979509..c5de387 100644
--- a/opnsense-carp-dhcp.py
+++ b/opnsense-carp-dhcp.py
@@ -4,6 +4,7 @@ import os
 import configparser
 import requests
 import urllib3
+import argparse
 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
 
 def request(resource, api_key, method='GET', data=None):