diff --git a/etc/systemd/system/drone.service b/etc/systemd/system/drone.service
index e8e9b75..51ca8e3 100644
--- a/etc/systemd/system/drone.service
+++ b/etc/systemd/system/drone.service
@@ -37,6 +37,7 @@ ProtectKernelLogs=true
 ProtectControlGroups=true
 LockPersonality=true
 MemoryDenyWriteExecute=true
+RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
 RestrictRealtime=true
 RestrictSUIDSGID=true
 SystemCallArchitectures=native