diff --git a/metrics/grpc/client.go b/metrics/grpc/client.go
index bbc7691..fc5a74a 100644
--- a/metrics/grpc/client.go
+++ b/metrics/grpc/client.go
@@ -15,6 +15,9 @@ var clientMetrics = grpcprom.NewClientMetrics(
 	grpcprom.WithClientStreamRecvHistogram(
 		grpcprom.WithHistogramBuckets(prometheus.DefBuckets),
 	),
+	grpcprom.WithClientStreamSendHistogram(
+		grpcprom.WithHistogramBuckets(prometheus.DefBuckets),
+	),
 )
 
 func init() {
@@ -57,6 +60,12 @@ func init() {
 			Help:           "Histogram of response latency (seconds) of the gRPC single message receive.",
 			VariableLabels: []string{"grpc_type", "grpc_service", "grpc_method"},
 		},
+		{
+			Name:           "grpc_client_msg_send_handling_seconds",
+			Type:           dto.MetricType_HISTOGRAM.String(),
+			Help:           "Histogram of response latency (seconds) of the gRPC single message send.",
+			VariableLabels: []string{"grpc_type", "grpc_service", "grpc_method"},
+		},
 	}
 	metrics.MustRegister(clientMetrics, descs...)
 }