diff --git a/interceptors/metrics/interceptors.go b/interceptors/metrics/interceptors.go
index d840a0b..0345958 100644
--- a/interceptors/metrics/interceptors.go
+++ b/interceptors/metrics/interceptors.go
@@ -22,6 +22,7 @@ type ServerInterceptors interface {
 	Registerer
 	interceptors.ServerInterceptors
 	prometheus.Collector
+	EnableHandlingTimeHistogram(opts ...grpc_prometheus.HistogramOption)
 }
 
 type ClientInterceptors interface {
@@ -33,6 +34,12 @@ type metrics struct {
 	c *grpc_prometheus.ClientMetrics
 }
 
+func (m *metrics) EnableHandlingTimeHistogram(opts ...grpc_prometheus.HistogramOption) {
+	if m.s != nil {
+		m.s.EnableHandlingTimeHistogram(opts...)
+	}
+}
+
 func (m *metrics) Describe(descs chan<- *prometheus.Desc) {
 	if m.s != nil {
 		m.s.Describe(descs)