diff --git a/proto/rpc/v1/pcap.proto b/proto/rpc/v1/pcap.proto
index 47628a3..3d8e169 100644
--- a/proto/rpc/v1/pcap.proto
+++ b/proto/rpc/v1/pcap.proto
@@ -35,6 +35,7 @@ message StartPCAPFileRecordingRequest {
 
 message StartPCAPFileRecordingResponse {
   string resolved_path = 1;
+  string consumer_key = 2;
 }
 
 message StopPCAPFileRecordingRequest {