diff --git a/homeassistant/util/network.py b/homeassistant/util/network.py
index b35a8063f..48840f339 100644
--- a/homeassistant/util/network.py
+++ b/homeassistant/util/network.py
@@ -1,6 +1,6 @@
 """Network utilities."""
-from ipaddress import ip_address, ip_network
-
+from ipaddress import IPv4Address, IPv6Address, ip_address, ip_network
+from typing import Union
 
 # IP addresses of loopback interfaces
 LOCAL_IPS = (
@@ -16,7 +16,7 @@ LOCAL_NETWORKS = (
 )
 
 
-def is_local(address: ip_address) -> bool:
+def is_local(address: Union[IPv4Address, IPv6Address]) -> bool:
     """Check if an address is local."""
     return address in LOCAL_IPS or \
         any(address in network for network in LOCAL_NETWORKS)