diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json
index cde2476..2e09107 100644
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@@ -932,7 +932,7 @@
 		},
 		{
 			"ImportPath": "k8s.io/api",
-			"Rev": "597d8a9937fd"
+			"Rev": "9f22d1265651"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery",
@@ -944,7 +944,7 @@
 		},
 		{
 			"ImportPath": "k8s.io/client-go",
-			"Rev": "71f81dc71522"
+			"Rev": "ded678f91ed5"
 		},
 		{
 			"ImportPath": "k8s.io/cloud-provider",
diff --git a/config/v1alpha1/types.go b/config/v1alpha1/types.go
index 2ccaf14..9acd2b9 100644
--- a/config/v1alpha1/types.go
+++ b/config/v1alpha1/types.go
@@ -328,10 +328,6 @@ type HPAControllerConfiguration struct {
 	// HorizontalPodAutoscalerTolerance is the tolerance for when
 	// resource usage suggests upscaling/downscaling
 	HorizontalPodAutoscalerTolerance float64
-	// HorizontalPodAutoscalerUseRESTClients causes the HPA controller to use REST clients
-	// through the kube-aggregator when enabled, instead of using the legacy metrics client
-	// through the API server proxy.
-	HorizontalPodAutoscalerUseRESTClients *bool
 	// HorizontalPodAutoscalerCPUInitializationPeriod is the period after pod start when CPU samples
 	// might be skipped.
 	HorizontalPodAutoscalerCPUInitializationPeriod metav1.Duration
diff --git a/config/v1alpha1/zz_generated.deepcopy.go b/config/v1alpha1/zz_generated.deepcopy.go
index a608102..50167a1 100644
--- a/config/v1alpha1/zz_generated.deepcopy.go
+++ b/config/v1alpha1/zz_generated.deepcopy.go
@@ -243,11 +243,6 @@ func (in *HPAControllerConfiguration) DeepCopyInto(out *HPAControllerConfigurati
 	out.HorizontalPodAutoscalerUpscaleForbiddenWindow = in.HorizontalPodAutoscalerUpscaleForbiddenWindow
 	out.HorizontalPodAutoscalerDownscaleStabilizationWindow = in.HorizontalPodAutoscalerDownscaleStabilizationWindow
 	out.HorizontalPodAutoscalerDownscaleForbiddenWindow = in.HorizontalPodAutoscalerDownscaleForbiddenWindow
-	if in.HorizontalPodAutoscalerUseRESTClients != nil {
-		in, out := &in.HorizontalPodAutoscalerUseRESTClients, &out.HorizontalPodAutoscalerUseRESTClients
-		*out = new(bool)
-		**out = **in
-	}
 	out.HorizontalPodAutoscalerCPUInitializationPeriod = in.HorizontalPodAutoscalerCPUInitializationPeriod
 	out.HorizontalPodAutoscalerInitialReadinessDelay = in.HorizontalPodAutoscalerInitialReadinessDelay
 	return
@@ -295,7 +290,7 @@ func (in *KubeControllerManagerConfiguration) DeepCopyInto(out *KubeControllerMa
 	out.EndpointSliceController = in.EndpointSliceController
 	out.EndpointSliceMirroringController = in.EndpointSliceMirroringController
 	in.GarbageCollectorController.DeepCopyInto(&out.GarbageCollectorController)
-	in.HPAController.DeepCopyInto(&out.HPAController)
+	out.HPAController = in.HPAController
 	out.JobController = in.JobController
 	out.CronJobController = in.CronJobController
 	out.NamespaceController = in.NamespaceController
diff --git a/go.mod b/go.mod
index 65bb289..f4d32b4 100644
--- a/go.mod
+++ b/go.mod
@@ -11,10 +11,10 @@ require (
 )
 
 replace (
-	k8s.io/api => k8s.io/api v0.0.0-20210604114606-597d8a9937fd
+	k8s.io/api => k8s.io/api v0.0.0-20210604195109-9f22d1265651
 	k8s.io/apimachinery => k8s.io/apimachinery v0.0.0-20210604114423-aec8116c445f
 	k8s.io/apiserver => k8s.io/apiserver v0.0.0-20210604115743-b5974fa1ca35
-	k8s.io/client-go => k8s.io/client-go v0.0.0-20210604114835-71f81dc71522
+	k8s.io/client-go => k8s.io/client-go v0.0.0-20210604195650-ded678f91ed5
 	k8s.io/cloud-provider => k8s.io/cloud-provider v0.0.0-20210604121320-76ea31422598
 	k8s.io/component-base => k8s.io/component-base v0.0.0-20210604115352-a36b18ffecae
 	k8s.io/controller-manager => k8s.io/controller-manager v0.0.0-20210604121217-2c65c810b6b9
diff --git a/go.sum b/go.sum
index af4a07d..8ee231a 100644
--- a/go.sum
+++ b/go.sum
@@ -619,12 +619,12 @@ 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 v0.0.0-20210604114606-597d8a9937fd h1:Zl0QbEdpIgO6ZWwL9Sp8I3VuMkmHZ74wNppSQMAPnTE=
-k8s.io/api v0.0.0-20210604114606-597d8a9937fd/go.mod h1:Dc7D5FRyGPPWEZ/WG9X2TOU/beNMsO3+S+lU1bhmKwo=
+k8s.io/api v0.0.0-20210604195109-9f22d1265651 h1:LFzzwgGgkcMv0WU00X6zFNZ6SvH6bt4XppbeBS4WVec=
+k8s.io/api v0.0.0-20210604195109-9f22d1265651/go.mod h1:Dc7D5FRyGPPWEZ/WG9X2TOU/beNMsO3+S+lU1bhmKwo=
 k8s.io/apimachinery v0.0.0-20210604114423-aec8116c445f h1:DmoZH3nTdy0sXQ7iZ6Gd3b2DjLiCC8d2nWTLojwU7k4=
 k8s.io/apimachinery v0.0.0-20210604114423-aec8116c445f/go.mod h1:5zcgojGmAy5Bo3S4mgZWAt6HwoKzaSh4MV3ITvlcOVM=
 k8s.io/apiserver v0.0.0-20210604115743-b5974fa1ca35/go.mod h1:lXu8ezq7jcLDZYLec18G3SLfpfRNR4XKkV+XI+miDlY=
-k8s.io/client-go v0.0.0-20210604114835-71f81dc71522/go.mod h1:OjmCoE7ifKXyCDHTOqW9Tt2Knriz/Ah8IkpJXA8Ux5c=
+k8s.io/client-go v0.0.0-20210604195650-ded678f91ed5/go.mod h1:kSx8A96VUSpBA4jTX1ogcPiKm8hb7r1mbnUMpk0g/1w=
 k8s.io/cloud-provider v0.0.0-20210604121320-76ea31422598 h1:wb6D27cnYlnfNkfnWA/DtJE1ieFdmescg6zB13WmWfs=
 k8s.io/cloud-provider v0.0.0-20210604121320-76ea31422598/go.mod h1:xgg2g9qMDzgMcCx9Je/33JxzXRPEnWeMfqSvLf5UTTs=
 k8s.io/component-base v0.0.0-20210604115352-a36b18ffecae h1:SrR3cXX+c4s3cGT2WPAM99/fGaeB9V1iR833PMNogsg=