diff --git a/collector.go b/collector.go
index c819980..4ecb3e1 100644
--- a/collector.go
+++ b/collector.go
@@ -45,6 +45,35 @@ func collectJobqueue() {
 	}
 }
 
+func collectDelayed() {
+	collectDelayedInternal()
+	for {
+		time.Sleep(5 * time.Minute)
+		collectDelayedInternal()
+	}
+}
+
+func collectDelayedInternal() {
+	delayed, err := client.Admin().Queue().InboxDelayed()
+	if err != nil {
+		logrus.WithField("type", "delayed").Warning(err)
+	} else {
+		for i := range delayed {
+			m := delayed[i]
+			misskeyJobQueueDelayed.WithLabelValues("inbox", m.Host).Set(float64(m.Count))
+		}
+	}
+	deliverDelayed, err := client.Admin().Queue().DeliverDelayed()
+	if err != nil {
+		logrus.WithField("type", "delayed").Warning(err)
+		return
+	}
+	for i := range deliverDelayed {
+		m := deliverDelayed[i]
+		misskeyJobQueueDelayed.WithLabelValues("deliver", m.Host).Set(float64(m.Count))
+	}
+}
+
 func collectPing() {
 	for {
 		time.Sleep(5 * time.Second)
diff --git a/main.go b/main.go
index b20a644..219ab4f 100644
--- a/main.go
+++ b/main.go
@@ -29,6 +29,12 @@ var (
 		},
 		[]string{"type", "status"},
 	)
+	misskeyJobQueueDelayed = prometheus.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Name: "misskey_jobqueue_delayed",
+			Help: "Delayed Job",
+		},
+		[]string{"type", "host"})
 	misskeyNotesCount = prometheus.NewGauge(
 		prometheus.GaugeOpts{
 			Name: "misskey_notes_count",
@@ -186,6 +192,7 @@ func main() {
 	fmt.Println(stats)
 
 	prometheus.MustRegister(misskeyJobQueueJobsCount)
+	prometheus.MustRegister(misskeyJobQueueDelayed)
 	prometheus.MustRegister(misskeyNotesCount)
 	prometheus.MustRegister(misskeyUsersCount)
 	prometheus.MustRegister(misskeyOriginalNotesCount)
@@ -219,6 +226,7 @@ func main() {
 
 	go func() {
 		go collectJobqueue()
+		go collectDelayed()
 		go collectPing()
 		go collectStats()
 		go collectTimeline()