diff --git a/src/service/packet_verifier.proto b/src/service/packet_verifier.proto
index 77c72617..bbb21668 100644
--- a/src/service/packet_verifier.proto
+++ b/src/service/packet_verifier.proto
@@ -33,4 +33,5 @@ message valid_data_transfer_session {
   // Timestamp in millis of the last ingest file we found a data transfer
   // session in
   uint64 last_timestamp = 7;
+  uint64 rewardable_bytes = 8;
 }