diff --git a/gateway/grpc.go b/gateway/grpc.go
index 68072609..54ef3dec 100644
--- a/gateway/grpc.go
+++ b/gateway/grpc.go
@@ -29,7 +29,6 @@ import (
 	grpcAccess "github.com/onflow/flow-go-sdk/access/grpc"
 	"github.com/onflow/flow-go/utils/grpcutils"
 	"google.golang.org/grpc"
-	"google.golang.org/grpc/credentials/insecure"
 
 	"github.com/onflow/flowkit/v2/config"
 )
@@ -45,18 +44,17 @@ type GrpcGateway struct {
 
 // NewGrpcGateway returns a new gRPC gateway.
 
-func NewGrpcGateway(network config.Network, opts ...grpc.DialOption) (*GrpcGateway, error) {
-	options := []grpc.DialOption{
+func NewGrpcGateway(network config.Network, opts ...grpcAccess.ClientOption) (*GrpcGateway, error) {
+	opts = append(
+		opts, 
+		grpcAccess.WithGRPCDialOptions(
+			grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(maxGRPCMessageSize),
+		),
+	))
 
-		grpc.WithTransportCredentials(insecure.NewCredentials()),
-		grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(maxGRPCMessageSize)),
-	}
-	options = append(options, opts...)
 	gClient, err := grpcAccess.NewClient(
 		network.Host,
-		grpcAccess.WithGRPCDialOptions(
-			options...,
-		),
+		opts...,
 	)
 
 	if err != nil || gClient == nil {