diff --git a/go.mod b/go.mod
index 51a7e74..cff55df 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.23.0
 toolchain go1.23.5
 
 require (
-	github.com/PretendoNetwork/grpc/go v0.0.0-20250123103241-5fb484bf544d
+	github.com/PretendoNetwork/grpc/go v0.0.0-20260801122926-a632ab44588d
 	github.com/PretendoNetwork/nex-go/v2 v2.1.2
 	github.com/PretendoNetwork/nex-protocols-common-go/v2 v2.2.2
 	github.com/PretendoNetwork/nex-protocols-go/v2 v2.2.1
diff --git a/go.sum b/go.sum
index dde920c..01eb7ae 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
 github.com/PretendoNetwork/grpc/go v0.0.0-20250123103241-5fb484bf544d h1:i/XyhbTm/j8UfCSnA0Cwrvc0mWOPIftOVrfSYqbh8Xo=
 github.com/PretendoNetwork/grpc/go v0.0.0-20250123103241-5fb484bf544d/go.mod h1:L6We4KkcQeiQVPrF7iu8Zax0B1Bm0v4nssR1JOAiRFQ=
+github.com/PretendoNetwork/grpc/go v0.0.0-20260801122926-a632ab44588d h1:9tMOif1DXaDNZ3auC+DkTd8+PpX7j3xvH1w2jzdR7w0=
+github.com/PretendoNetwork/grpc/go v0.0.0-20260801122926-a632ab44588d/go.mod h1:L6We4KkcQeiQVPrF7iu8Zax0B1Bm0v4nssR1JOAiRFQ=
 github.com/PretendoNetwork/nex-go/v2 v2.1.2 h1:OJFAS6U6VNzZ4YzteKqUEZ5aJMwWIHODeRrLwNbN7nw=
 github.com/PretendoNetwork/nex-go/v2 v2.1.2/go.mod h1:3LyJzsv3AataJW8D0binp15Q8ZH22MWTYly1VNtXi64=
 github.com/PretendoNetwork/nex-protocols-common-go/v2 v2.2.2 h1:rBJNZDJ92pa9fU3Og0sanyizJTWnELPoGR0Tjz8zlws=
diff --git a/grpc/delete_course.go b/grpc/delete_course.go
index 556a303..86d051a 100644
--- a/grpc/delete_course.go
+++ b/grpc/delete_course.go
@@ -6,20 +6,22 @@ import (
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 
-	pb "github.com/PretendoNetwork/grpc/go/smm"
+	pb "github.com/PretendoNetwork/grpc/go/smm/v1"
+	"github.com/PretendoNetwork/nex-go/v2/types"
 	datastore_db "github.com/PretendoNetwork/super-mario-maker/database/datastore"
 	"github.com/PretendoNetwork/super-mario-maker/globals"
 )
 
 func (s *gRPCSMMServer) DeleteCourse(ctx context.Context, in *pb.DeleteCourseRequest) (*pb.DeleteCourseResponse, error) {
-	err := datastore_db.IsObjectAvailable(in.DataID)
+	dataID := types.NewUInt64(in.DataId)
+	err := datastore_db.IsObjectAvailable(dataID)
 	if err != nil {
 		return &pb.DeleteCourseResponse{
 			Success: false,
 		}, status.Errorf(codes.NotFound, "Course not found")
 	}
 
-	metaInfo, err := datastore_db.GetObjectInfoByDataID(in.DataID)
+	metaInfo, err := datastore_db.GetObjectInfoByDataID(dataID)
 	if err != nil {
 		globals.Logger.Critical(err.Error())
 		return &pb.DeleteCourseResponse{
@@ -27,7 +29,7 @@ func (s *gRPCSMMServer) DeleteCourse(ctx context.Context, in *pb.DeleteCourseReq
 		}, status.Errorf(codes.Internal, "internal server error")
 	}
 
-	err = datastore_db.DeleteObjectByDataID(in.DataID)
+	err = datastore_db.DeleteObjectByDataID(dataID)
 	if err != nil {
 		globals.Logger.Critical(err.Error())
 		return &pb.DeleteCourseResponse{
@@ -35,8 +37,8 @@ func (s *gRPCSMMServer) DeleteCourse(ctx context.Context, in *pb.DeleteCourseReq
 		}, status.Errorf(codes.Internal, "internal server error")
 	}
 
-	return &pb.SendUserFriendRequestResponse{
-		CourseName: metaInfo.Name,
+	return &pb.DeleteCourseResponse{
+		CourseName: string(metaInfo.Name),
 		Success: true,
 	}, nil
 }
diff --git a/grpc/grpc_server.go b/grpc/grpc_server.go
index c4a8ec4..3ff55a7 100644
--- a/grpc/grpc_server.go
+++ b/grpc/grpc_server.go
@@ -5,13 +5,13 @@ import (
 	"log"
 	"net"
 
-	pb "github.com/PretendoNetwork/grpc/go/smm"
+	pb "github.com/PretendoNetwork/grpc/go/smm/v1"
 	"github.com/PretendoNetwork/super-mario-maker/globals"
 	"google.golang.org/grpc"
 )
 
 type gRPCSMMServer struct {
-	pb.UnimplementedSMMServer
+	pb.UnimplementedSMMServiceServer
 }
 
 func StartGRPCServer() {
@@ -24,7 +24,7 @@ func StartGRPCServer() {
 		grpc.UnaryInterceptor(apiKeyInterceptor),
 	)
 
-	pb.RegisterSMMServer(server, &gRPCSMMServer{})
+	pb.RegisterSMMServiceServer(server, &gRPCSMMServer{})
 
 	log.Printf("server listening at %v", listener.Addr())