diff --git a/go.mod b/go.mod
index be154e9e..8f3356b9 100644
--- a/go.mod
+++ b/go.mod
@@ -30,7 +30,7 @@ require (
 	golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d
 	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac
 	google.golang.org/protobuf v1.26.0
-	k8s.io/api v0.0.0-20210720141931-aa30bdaf750c
+	k8s.io/api v0.0.0-20210806000319-499b6f90564c
 	k8s.io/apimachinery v0.0.0-20210805051055-f7769293e6f1
 	k8s.io/klog/v2 v2.9.0
 	k8s.io/kube-openapi v0.0.0-20210421082810-95288971da7e
@@ -40,6 +40,6 @@ require (
 )
 
 replace (
-	k8s.io/api => k8s.io/api v0.0.0-20210720141931-aa30bdaf750c
+	k8s.io/api => k8s.io/api v0.0.0-20210806000319-499b6f90564c
 	k8s.io/apimachinery => k8s.io/apimachinery v0.0.0-20210805051055-f7769293e6f1
 )
diff --git a/go.sum b/go.sum
index af374795..db15551a 100644
--- a/go.sum
+++ b/go.sum
@@ -444,8 +444,8 @@ honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-k8s.io/api v0.0.0-20210720141931-aa30bdaf750c h1:bQDI22QyjupmAGqhbVE2uIkAkAAVEVfTf/n8RG/Xtpo=
-k8s.io/api v0.0.0-20210720141931-aa30bdaf750c/go.mod h1:FtqZiusVhnyM5jUPPFkDCU91OKo0sOpX9b9hotVGbIk=
+k8s.io/api v0.0.0-20210806000319-499b6f90564c h1:/TwdwBIiHSFv2VnETc8qgoi/skGGBo1qlXszp8N/BMo=
+k8s.io/api v0.0.0-20210806000319-499b6f90564c/go.mod h1:9J6nkHavSazyXmPeuA4f1YO9Ztdjw7nDibPjT4P+wsY=
 k8s.io/apimachinery v0.0.0-20210805051055-f7769293e6f1 h1:cVpwhaGeh/tNPBeYbFff3tjx5AxwG5zwImhz+eusG3k=
 k8s.io/apimachinery v0.0.0-20210805051055-f7769293e6f1/go.mod h1:O3oNtNadZdeOMxHFVxOreoznohCpy0z6mocxbZr7oJ0=
 k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
diff --git a/tools/cache/delta_fifo.go b/tools/cache/delta_fifo.go
index 82038e0f..54b81766 100644
--- a/tools/cache/delta_fifo.go
+++ b/tools/cache/delta_fifo.go
@@ -20,10 +20,12 @@ import (
 	"errors"
 	"fmt"
 	"sync"
+	"time"
 
 	"k8s.io/apimachinery/pkg/util/sets"
 
 	"k8s.io/klog/v2"
+	utiltrace "k8s.io/utils/trace"
 )
 
 // DeltaFIFOOptions is the configuration parameters for DeltaFIFO. All are
@@ -526,6 +528,7 @@ func (f *DeltaFIFO) Pop(process PopProcessFunc) (interface{}, error) {
 		}
 		id := f.queue[0]
 		f.queue = f.queue[1:]
+		depth := len(f.queue)
 		if f.initialPopulationCount > 0 {
 			f.initialPopulationCount--
 		}
@@ -536,6 +539,18 @@ func (f *DeltaFIFO) Pop(process PopProcessFunc) (interface{}, error) {
 			continue
 		}
 		delete(f.items, id)
+		// Only log traces if the queue depth is greater than 10 and it takes more than
+		// 100 milliseconds to process one item from the queue.
+		// Queue depth never goes high because processing an item is locking the queue,
+		// and new items can't be added until processing finish.
+		// https://github.com/kubernetes/kubernetes/issues/103789
+		if depth > 10 {
+			trace := utiltrace.New("DeltaFIFO Pop Process",
+				utiltrace.Field{Key: "ID", Value: id},
+				utiltrace.Field{Key: "Depth", Value: depth},
+				utiltrace.Field{Key: "Reason", Value: "slow event handlers blocking the queue"})
+			defer trace.LogIfLong(100 * time.Millisecond)
+		}
 		err := process(item)
 		if e, ok := err.(ErrRequeue); ok {
 			f.addIfNotPresent(id, item)