diff --git a/proto/src/main/proto/grpc.proto b/proto/src/main/proto/grpc.proto
index 901c94afa9..8f9ca52813 100644
--- a/proto/src/main/proto/grpc.proto
+++ b/proto/src/main/proto/grpc.proto
@@ -283,6 +283,8 @@ service Wallets {
     }
     rpc GetAddressBalance (GetAddressBalanceRequest) returns (GetAddressBalanceReply) {
     }
+    rpc GetUnusedBsqAddress (GetUnusedBsqAddressRequest) returns (GetUnusedBsqAddressReply) {
+    }
     rpc GetFundingAddresses (GetFundingAddressesRequest) returns (GetFundingAddressesReply) {
     }
     rpc SetWalletPassword (SetWalletPasswordRequest) returns (SetWalletPasswordReply) {
@@ -331,6 +333,13 @@ message GetAddressBalanceReply {
     AddressBalanceInfo addressBalanceInfo = 1;
 }
 
+message GetUnusedBsqAddressRequest {
+}
+
+message GetUnusedBsqAddressReply {
+     string address = 1;
+}
+
 message GetFundingAddressesRequest {
 }