diff --git a/js/protos/hub/hub_pb.js b/js/protos/hub/hub_pb.js
index af53a22d..58080488 100644
--- a/js/protos/hub/hub_pb.js
+++ b/js/protos/hub/hub_pb.js
@@ -1319,7 +1319,8 @@ proto.hub.HostsReq.toObject = function(includeInstance, msg) {
   var f, obj = {
     id: jspb.Message.getFieldWithDefault(msg, 1, ""),
     respSize: jspb.Message.getFieldWithDefault(msg, 2, 0),
-    mode: jspb.Message.getFieldWithDefault(msg, 3, 0)
+    mode: jspb.Message.getFieldWithDefault(msg, 3, 0),
+    version: jspb.Message.getFieldWithDefault(msg, 4, "")
   };
 
   if (includeInstance) {
@@ -1368,6 +1369,10 @@ proto.hub.HostsReq.deserializeBinaryFromReader = function(msg, reader) {
       var value = /** @type {!proto.hub.HostsReq.Mode} */ (reader.readEnum());
       msg.setMode(value);
       break;
+    case 4:
+      var value = /** @type {string} */ (reader.readString());
+      msg.setVersion(value);
+      break;
     default:
       reader.skipField();
       break;
@@ -1418,6 +1423,13 @@ proto.hub.HostsReq.serializeBinaryToWriter = function(message, writer) {
       f
     );
   }
+  f = message.getVersion();
+  if (f.length > 0) {
+    writer.writeString(
+      4,
+      f
+    );
+  }
 };
 
 
@@ -1487,6 +1499,24 @@ proto.hub.HostsReq.prototype.setMode = function(value) {
 };
 
 
+/**
+ * optional string version = 4;
+ * @return {string}
+ */
+proto.hub.HostsReq.prototype.getVersion = function() {
+  return /** @type {string} */ (jspb.Message.getFieldWithDefault(this, 4, ""));
+};
+
+
+/**
+ * @param {string} value
+ * @return {!proto.hub.HostsReq} returns this
+ */
+proto.hub.HostsReq.prototype.setVersion = function(value) {
+  return jspb.Message.setProto3StringField(this, 4, value);
+};
+
+
 
 
 
diff --git a/protos/hub/hub.pb.go b/protos/hub/hub.pb.go
index 097f4cee..0aa269be 100644
--- a/protos/hub/hub.pb.go
+++ b/protos/hub/hub.pb.go
@@ -422,6 +422,7 @@ type HostsReq struct {
 	Id                   string        `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty" pg:"id"`
 	RespSize             int32         `protobuf:"varint,2,opt,name=resp_size,json=respSize,proto3" json:"resp_size,omitempty" pg:"resp_size"`
 	Mode                 HostsReq_Mode `protobuf:"varint,3,opt,name=mode,proto3,enum=hub.HostsReq_Mode" json:"mode,omitempty" pg:"mode"`
+	Version              string        `protobuf:"bytes,4,opt,name=version,proto3" json:"version,omitempty" pg:"version"`
 	XXX_NoUnkeyedLiteral struct{}      `json:"-" pg:"-"`
 	XXX_unrecognized     []byte        `json:"-" pg:"-"`
 	XXX_sizecache        int32         `json:"-" pg:"-"`
@@ -481,6 +482,13 @@ func (m *HostsReq) GetMode() HostsReq_Mode {
 	return HostsReq_SCORE
 }
 
+func (m *HostsReq) GetVersion() string {
+	if m != nil {
+		return m.Version
+	}
+	return ""
+}
+
 func (*HostsReq) XXX_MessageName() string {
 	return "hub.HostsReq"
 }
@@ -1500,117 +1508,118 @@ func init() { proto.RegisterFile("protos/hub/hub.proto", fileDescriptor_c704b599
 func init() { golang_proto.RegisterFile("protos/hub/hub.proto", fileDescriptor_c704b5990190a69f) }
 
 var fileDescriptor_c704b5990190a69f = []byte{
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+	0x55, 0xb3, 0x8f, 0x98, 0x7c, 0xc1, 0x93, 0x67, 0x6f, 0xe2, 0xdf, 0x83, 0x45, 0x33, 0x57, 0x91,
+	0xfa, 0xcc, 0x94, 0x75, 0x85, 0xbb, 0x05, 0x35, 0x6d, 0xbb, 0x2d, 0x4f, 0x85, 0x1b, 0xf8, 0xf1,
+	0x9b, 0x8c, 0x7f, 0x02, 0x64, 0xca, 0xf5, 0xfd, 0x48, 0x9d, 0xa7, 0x6f, 0x8a, 0xb7, 0xfd, 0xd9,
+	0xcb, 0x57, 0x6b, 0xd6, 0x57, 0xaf, 0xd6, 0xac, 0x7f, 0xbd, 0x5a, 0xb3, 0x7e, 0xff, 0x7a, 0xcd,
+	0xfa, 0xdb, 0xeb, 0x35, 0xeb, 0xe5, 0xeb, 0x35, 0x0b, 0x2a, 0x11, 0x6f, 0xa9, 0x8b, 0x5c, 0x29,
+	0xb4, 0x4b, 0x2a, 0xb3, 0x6a, 0x64, 0x38, 0xb6, 0x7e, 0x9d, 0x3f, 0x4b, 0x7b, 0xbd, 0x05, 0x1c,
+	0x20, 0x3e, 0xf9, 0x7f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x94, 0x6e, 0x10, 0x77, 0x8e, 0x11, 0x00,
+	0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -2318,6 +2327,13 @@ func (m *HostsReq) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
+	if len(m.Version) > 0 {
+		i -= len(m.Version)
+		copy(dAtA[i:], m.Version)
+		i = encodeVarintHub(dAtA, i, uint64(len(m.Version)))
+		i--
+		dAtA[i] = 0x22
+	}
 	if m.Mode != 0 {
 		i = encodeVarintHub(dAtA, i, uint64(m.Mode))
 		i--
@@ -3231,6 +3247,10 @@ func (m *HostsReq) Size() (n int) {
 	if m.Mode != 0 {
 		n += 1 + sovHub(uint64(m.Mode))
 	}
+	l = len(m.Version)
+	if l > 0 {
+		n += 1 + l + sovHub(uint64(l))
+	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -4220,6 +4240,38 @@ func (m *HostsReq) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Version", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHub
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthHub
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthHub
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Version = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipHub(dAtA[iNdEx:])
diff --git a/protos/hub/hub.proto b/protos/hub/hub.proto
index 54006734..fea65cfe 100644
--- a/protos/hub/hub.proto
+++ b/protos/hub/hub.proto
@@ -78,6 +78,7 @@ message HostsReq {
     TESTNET = 5;
   }
   Mode mode = 3;
+  string version = 4;
 }
 
 message RolesHostsReq {