diff --git a/subscriber/subscriber.pb.go b/subscriber/subscriber.pb.go
index 455901d..731af29 100644
--- a/subscriber/subscriber.pb.go
+++ b/subscriber/subscriber.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v4.22.2
+// 	protoc        v3.21.12
 // source: subscriber/subscriber.proto
 
 package subscriber
@@ -25,7 +25,7 @@ type Topic struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Topic string `protobuf:"bytes,1,opt,name=topic,proto3" json:"topic,omitempty"`
+	Topic []string `protobuf:"bytes,1,rep,name=topic,proto3" json:"topic,omitempty"`
 }
 
 func (x *Topic) Reset() {
@@ -60,11 +60,11 @@ func (*Topic) Descriptor() ([]byte, []int) {
 	return file_subscriber_subscriber_proto_rawDescGZIP(), []int{0}
 }
 
-func (x *Topic) GetTopic() string {
+func (x *Topic) GetTopic() []string {
 	if x != nil {
 		return x.Topic
 	}
-	return ""
+	return nil
 }
 
 type REvent struct {
@@ -128,7 +128,7 @@ var file_subscriber_subscriber_proto_rawDesc = []byte{
 	0x0a, 0x1b, 0x73, 0x75, 0x62, 0x73, 0x63, 0x72, 0x69, 0x62, 0x65, 0x72, 0x2f, 0x73, 0x75, 0x62,
 	0x73, 0x63, 0x72, 0x69, 0x62, 0x65, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x1d, 0x0a,
 	0x05, 0x54, 0x6f, 0x70, 0x69, 0x63, 0x12, 0x14, 0x0a, 0x05, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x18,
-	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x22, 0x38, 0x0a, 0x06,
+	0x01, 0x20, 0x03, 0x28, 0x09, 0x52, 0x05, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x22, 0x38, 0x0a, 0x06,
 	0x52, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x12, 0x14, 0x0a, 0x05, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x18,
 	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x12, 0x18, 0x0a, 0x07,
 	0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x07, 0x6d,
diff --git a/subscriber/subscriber.proto b/subscriber/subscriber.proto
index 54b041b..c912197 100644
--- a/subscriber/subscriber.proto
+++ b/subscriber/subscriber.proto
@@ -7,7 +7,7 @@ service Subscriber {
 }
 
 message Topic {
-    string topic = 1;
+    repeated string topic = 1;
 }
 
 message REvent {
diff --git a/subscriber/subscriber_grpc.pb.go b/subscriber/subscriber_grpc.pb.go
index 2d5aa51..b27b100 100644
--- a/subscriber/subscriber_grpc.pb.go
+++ b/subscriber/subscriber_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.2.0
-// - protoc             v4.22.2
+// - protoc             v3.21.12
 // source: subscriber/subscriber.proto
 
 package subscriber