diff --git a/proto/vantage/v1/vantage.proto b/proto/vantage/v1/vantage.proto
index e5fda50..9cf22ec 100644
--- a/proto/vantage/v1/vantage.proto
+++ b/proto/vantage/v1/vantage.proto
@@ -131,6 +131,7 @@ message MonitorSpec {
   int32  tls_warn_days   = 9;
   int32  interval_sec    = 10;
   int32  retries         = 11;
+  bool   insecure        = 12;
 }
 
 message SyncMonitorsRequest {