diff --git a/libp2p/pubsub/pb/rpc.proto b/libp2p/pubsub/pb/rpc.proto
index a0857569..7abce0d6 100644
--- a/libp2p/pubsub/pb/rpc.proto
+++ b/libp2p/pubsub/pb/rpc.proto
@@ -47,6 +47,13 @@ message ControlGraft {
 
 message ControlPrune {
 	optional string topicID = 1;
+	repeated PeerInfo peers = 2;
+	optional uint64 backoff = 3;
+}
+
+message PeerInfo {
+	optional bytes peerID = 1;
+	optional bytes signedPeerRecord = 2;
 }
 
 message TopicDescriptor {