diff --git a/proto/notifyer/notifyer.pb.go b/proto/notifyer/notifyer.pb.go
index 106851b..dd150f5 100644
--- a/proto/notifyer/notifyer.pb.go
+++ b/proto/notifyer/notifyer.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
+// 	protoc-gen-go v1.28.1
 // 	protoc        v3.21.12
 // source: notifyer.proto
 
@@ -72,7 +72,7 @@ type GetQuizzesResponse struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	QuizIds []string `protobuf:"bytes,1,rep,name=quiz_ids,json=quizIds,proto3" json:"quiz_ids,omitempty"`
+	QuizIds []int64 `protobuf:"varint,1,rep,packed,name=quiz_ids,json=quizIds,proto3" json:"quiz_ids,omitempty"`
 }
 
 func (x *GetQuizzesResponse) Reset() {
@@ -107,7 +107,7 @@ func (*GetQuizzesResponse) Descriptor() ([]byte, []int) {
 	return file_notifyer_proto_rawDescGZIP(), []int{1}
 }
 
-func (x *GetQuizzesResponse) GetQuizIds() []string {
+func (x *GetQuizzesResponse) GetQuizIds() []int64 {
 	if x != nil {
 		return x.QuizIds
 	}
@@ -166,7 +166,7 @@ type GetStartedQuizzesResponse struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	QuizIds []string `protobuf:"bytes,1,rep,name=quiz_ids,json=quizIds,proto3" json:"quiz_ids,omitempty"`
+	QuizIds []int64 `protobuf:"varint,1,rep,packed,name=quiz_ids,json=quizIds,proto3" json:"quiz_ids,omitempty"`
 }
 
 func (x *GetStartedQuizzesResponse) Reset() {
@@ -201,7 +201,7 @@ func (*GetStartedQuizzesResponse) Descriptor() ([]byte, []int) {
 	return file_notifyer_proto_rawDescGZIP(), []int{3}
 }
 
-func (x *GetStartedQuizzesResponse) GetQuizIds() []string {
+func (x *GetStartedQuizzesResponse) GetQuizIds() []int64 {
 	if x != nil {
 		return x.QuizIds
 	}
@@ -218,14 +218,14 @@ var file_notifyer_proto_rawDesc = []byte{
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