diff --git a/pkg/controller/endpoint/endpoints_controller_test.go b/pkg/controller/endpoint/endpoints_controller_test.go
index 6f6a8a9eb36..8d16c7cddd0 100644
--- a/pkg/controller/endpoint/endpoints_controller_test.go
+++ b/pkg/controller/endpoint/endpoints_controller_test.go
@@ -355,7 +355,7 @@ func TestSyncEndpointsWithPodResourceVersionUpdateOnly(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{"foo": "bar"},
-			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)}},
+			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)}},
 		},
 	})
 	pod0.ResourceVersion = "3"
@@ -429,7 +429,7 @@ func TestSyncEndpointsProtocolTCP(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{},
-			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt(8080), Protocol: "TCP"}},
+			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt32(8080), Protocol: "TCP"}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -569,7 +569,7 @@ func TestSyncEndpointsProtocolUDP(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{},
-			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt(8080), Protocol: "UDP"}},
+			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt32(8080), Protocol: "UDP"}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -613,7 +613,7 @@ func TestSyncEndpointsProtocolSCTP(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{},
-			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt(8080), Protocol: "SCTP"}},
+			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt32(8080), Protocol: "SCTP"}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -654,7 +654,7 @@ func TestSyncEndpointsItemsEmptySelectorSelectsAll(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{},
-			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)}},
+			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -694,7 +694,7 @@ func TestSyncEndpointsItemsEmptySelectorSelectsAllNotReady(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{},
-			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)}},
+			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -734,7 +734,7 @@ func TestSyncEndpointsItemsEmptySelectorSelectsAllMixed(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{},
-			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)}},
+			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -778,7 +778,7 @@ func TestSyncEndpointsItemsPreexisting(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{"foo": "bar"},
-			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)}},
+			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -821,7 +821,7 @@ func TestSyncEndpointsItemsPreexistingIdentical(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: metav1.NamespaceDefault},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{"foo": "bar"},
-			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)}},
+			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -841,8 +841,8 @@ func TestSyncEndpointsItems(t *testing.T) {
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{"foo": "bar"},
 			Ports: []v1.ServicePort{
-				{Name: "port0", Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)},
-				{Name: "port1", Port: 88, Protocol: "TCP", TargetPort: intstr.FromInt(8088)},
+				{Name: "port0", Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)},
+				{Name: "port1", Port: 88, Protocol: "TCP", TargetPort: intstr.FromInt32(8088)},
 			},
 		},
 	})
@@ -889,8 +889,8 @@ func TestSyncEndpointsItemsWithLabels(t *testing.T) {
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{"foo": "bar"},
 			Ports: []v1.ServicePort{
-				{Name: "port0", Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)},
-				{Name: "port1", Port: 88, Protocol: "TCP", TargetPort: intstr.FromInt(8088)},
+				{Name: "port0", Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)},
+				{Name: "port1", Port: 88, Protocol: "TCP", TargetPort: intstr.FromInt32(8088)},
 			},
 		},
 	})
@@ -950,7 +950,7 @@ func TestSyncEndpointsItemsPreexistingLabelsChange(t *testing.T) {
 		},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{"foo": "bar"},
-			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)}},
+			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -996,7 +996,7 @@ func TestWaitsForAllInformersToBeSynced2(t *testing.T) {
 				ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 				Spec: v1.ServiceSpec{
 					Selector: map[string]string{},
-					Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt(8080), Protocol: "TCP"}},
+					Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt32(8080), Protocol: "TCP"}},
 				},
 			}
 			endpoints.serviceStore.Add(service)
@@ -1097,7 +1097,7 @@ func TestSyncEndpointsItemsExcludeNotReadyPodsWithRestartPolicyNeverAndPhaseFail
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{"foo": "bar"},
-			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)}},
+			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -1136,7 +1136,7 @@ func TestSyncEndpointsItemsExcludeNotReadyPodsWithRestartPolicyNeverAndPhaseSucc
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{"foo": "bar"},
-			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)}},
+			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -1175,7 +1175,7 @@ func TestSyncEndpointsItemsExcludeNotReadyPodsWithRestartPolicyOnFailureAndPhase
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{"foo": "bar"},
-			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt(8080)}},
+			Ports:    []v1.ServicePort{{Port: 80, Protocol: "TCP", TargetPort: intstr.FromInt32(8080)}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -1446,7 +1446,7 @@ func TestLastTriggerChangeTimeAnnotation(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns, CreationTimestamp: metav1.NewTime(triggerTime)},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{},
-			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt(8080), Protocol: "TCP"}},
+			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt32(8080), Protocol: "TCP"}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -1496,7 +1496,7 @@ func TestLastTriggerChangeTimeAnnotation_AnnotationOverridden(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns, CreationTimestamp: metav1.NewTime(triggerTime)},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{},
-			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt(8080), Protocol: "TCP"}},
+			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt32(8080), Protocol: "TCP"}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
@@ -1547,7 +1547,7 @@ func TestLastTriggerChangeTimeAnnotation_AnnotationCleared(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{},
-			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt(8080), Protocol: "TCP"}},
+			Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt32(8080), Protocol: "TCP"}},
 		},
 	})
 	endpoints.syncService(context.TODO(), ns+"/foo")
diff --git a/pkg/controller/endpointslice/endpointslice_controller_test.go b/pkg/controller/endpointslice/endpointslice_controller_test.go
index 5d6a98ef49d..90c0b8a035d 100644
--- a/pkg/controller/endpointslice/endpointslice_controller_test.go
+++ b/pkg/controller/endpointslice/endpointslice_controller_test.go
@@ -126,7 +126,7 @@ func TestSyncServiceNoSelector(t *testing.T) {
 	esController.serviceStore.Add(&v1.Service{
 		ObjectMeta: metav1.ObjectMeta{Name: serviceName, Namespace: ns},
 		Spec: v1.ServiceSpec{
-			Ports: []v1.ServicePort{{TargetPort: intstr.FromInt(80)}},
+			Ports: []v1.ServicePort{{TargetPort: intstr.FromInt32(80)}},
 		},
 	})
 
@@ -217,7 +217,7 @@ func TestSyncServicePendingDeletion(t *testing.T) {
 		ObjectMeta: metav1.ObjectMeta{Name: serviceName, Namespace: ns, DeletionTimestamp: &deletionTimestamp},
 		Spec: v1.ServiceSpec{
 			Selector: map[string]string{"foo": "bar"},
-			Ports:    []v1.ServicePort{{TargetPort: intstr.FromInt(80)}},
+			Ports:    []v1.ServicePort{{TargetPort: intstr.FromInt32(80)}},
 		},
 	})
 
@@ -259,7 +259,7 @@ func TestSyncServiceMissing(t *testing.T) {
 	esController.serviceStore.Add(&v1.Service{
 		ObjectMeta: metav1.ObjectMeta{Name: existingServiceName, Namespace: namespace},
 		Spec: v1.ServiceSpec{
-			Ports:    []v1.ServicePort{{TargetPort: intstr.FromInt(80)}},
+			Ports:    []v1.ServicePort{{TargetPort: intstr.FromInt32(80)}},
 			Selector: map[string]string{"foo": "bar"},
 		},
 	})
@@ -504,9 +504,9 @@ func TestSyncService(t *testing.T) {
 				},
 				Spec: v1.ServiceSpec{
 					Ports: []v1.ServicePort{
-						{Name: "tcp-example", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP},
-						{Name: "udp-example", TargetPort: intstr.FromInt(161), Protocol: v1.ProtocolUDP},
-						{Name: "sctp-example", TargetPort: intstr.FromInt(3456), Protocol: v1.ProtocolSCTP},
+						{Name: "tcp-example", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP},
+						{Name: "udp-example", TargetPort: intstr.FromInt32(161), Protocol: v1.ProtocolUDP},
+						{Name: "sctp-example", TargetPort: intstr.FromInt32(3456), Protocol: v1.ProtocolSCTP},
 					},
 					Selector:   map[string]string{"foo": "bar"},
 					IPFamilies: []v1.IPFamily{v1.IPv4Protocol},
@@ -621,9 +621,9 @@ func TestSyncService(t *testing.T) {
 				},
 				Spec: v1.ServiceSpec{
 					Ports: []v1.ServicePort{
-						{Name: "tcp-example", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP},
-						{Name: "udp-example", TargetPort: intstr.FromInt(161), Protocol: v1.ProtocolUDP},
-						{Name: "sctp-example", TargetPort: intstr.FromInt(3456), Protocol: v1.ProtocolSCTP},
+						{Name: "tcp-example", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP},
+						{Name: "udp-example", TargetPort: intstr.FromInt32(161), Protocol: v1.ProtocolUDP},
+						{Name: "sctp-example", TargetPort: intstr.FromInt32(3456), Protocol: v1.ProtocolSCTP},
 					},
 					Selector:   map[string]string{"foo": "bar"},
 					IPFamilies: []v1.IPFamily{v1.IPv6Protocol},
@@ -728,9 +728,9 @@ func TestSyncService(t *testing.T) {
 				},
 				Spec: v1.ServiceSpec{
 					Ports: []v1.ServicePort{
-						{Name: "tcp-example", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP},
-						{Name: "udp-example", TargetPort: intstr.FromInt(161), Protocol: v1.ProtocolUDP},
-						{Name: "sctp-example", TargetPort: intstr.FromInt(3456), Protocol: v1.ProtocolSCTP},
+						{Name: "tcp-example", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP},
+						{Name: "udp-example", TargetPort: intstr.FromInt32(161), Protocol: v1.ProtocolUDP},
+						{Name: "sctp-example", TargetPort: intstr.FromInt32(3456), Protocol: v1.ProtocolSCTP},
 					},
 					Selector:   map[string]string{"foo": "bar"},
 					IPFamilies: []v1.IPFamily{v1.IPv4Protocol},
@@ -843,9 +843,9 @@ func TestSyncService(t *testing.T) {
 				},
 				Spec: v1.ServiceSpec{
 					Ports: []v1.ServicePort{
-						{Name: "tcp-example", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP},
-						{Name: "udp-example", TargetPort: intstr.FromInt(161), Protocol: v1.ProtocolUDP},
-						{Name: "sctp-example", TargetPort: intstr.FromInt(3456), Protocol: v1.ProtocolSCTP},
+						{Name: "tcp-example", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP},
+						{Name: "udp-example", TargetPort: intstr.FromInt32(161), Protocol: v1.ProtocolUDP},
+						{Name: "sctp-example", TargetPort: intstr.FromInt32(3456), Protocol: v1.ProtocolSCTP},
 					},
 					Selector:   map[string]string{"foo": "bar"},
 					IPFamilies: []v1.IPFamily{v1.IPv4Protocol},
@@ -958,9 +958,9 @@ func TestSyncService(t *testing.T) {
 				},
 				Spec: v1.ServiceSpec{
 					Ports: []v1.ServicePort{
-						{Name: "tcp-example", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP},
-						{Name: "udp-example", TargetPort: intstr.FromInt(161), Protocol: v1.ProtocolUDP},
-						{Name: "sctp-example", TargetPort: intstr.FromInt(3456), Protocol: v1.ProtocolSCTP},
+						{Name: "tcp-example", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP},
+						{Name: "udp-example", TargetPort: intstr.FromInt32(161), Protocol: v1.ProtocolUDP},
+						{Name: "sctp-example", TargetPort: intstr.FromInt32(3456), Protocol: v1.ProtocolSCTP},
 					},
 					Selector:   map[string]string{"foo": "bar"},
 					IPFamilies: []v1.IPFamily{v1.IPv4Protocol},
@@ -1090,9 +1090,9 @@ func TestSyncService(t *testing.T) {
 				},
 				Spec: v1.ServiceSpec{
 					Ports: []v1.ServicePort{
-						{Name: "tcp-example", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP},
-						{Name: "udp-example", TargetPort: intstr.FromInt(161), Protocol: v1.ProtocolUDP},
-						{Name: "sctp-example", TargetPort: intstr.FromInt(3456), Protocol: v1.ProtocolSCTP},
+						{Name: "tcp-example", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP},
+						{Name: "udp-example", TargetPort: intstr.FromInt32(161), Protocol: v1.ProtocolUDP},
+						{Name: "sctp-example", TargetPort: intstr.FromInt32(3456), Protocol: v1.ProtocolSCTP},
 					},
 					Selector:   map[string]string{"foo": "bar"},
 					IPFamilies: []v1.IPFamily{v1.IPv4Protocol},
@@ -1664,7 +1664,7 @@ func TestSyncServiceStaleInformer(t *testing.T) {
 				ObjectMeta: metav1.ObjectMeta{Name: serviceName, Namespace: ns},
 				Spec: v1.ServiceSpec{
 					Selector: map[string]string{"foo": "bar"},
-					Ports:    []v1.ServicePort{{TargetPort: intstr.FromInt(80)}},
+					Ports:    []v1.ServicePort{{TargetPort: intstr.FromInt32(80)}},
 				},
 			})
 
@@ -1979,7 +1979,7 @@ func createService(t *testing.T, esController *endpointSliceController, namespac
 			UID:               types.UID(namespace + "-" + serviceName),
 		},
 		Spec: v1.ServiceSpec{
-			Ports:      []v1.ServicePort{{TargetPort: intstr.FromInt(80)}},
+			Ports:      []v1.ServicePort{{TargetPort: intstr.FromInt32(80)}},
 			Selector:   map[string]string{"foo": "bar"},
 			IPFamilies: []v1.IPFamily{v1.IPv4Protocol},
 		},
diff --git a/pkg/controller/endpointslice/utils_test.go b/pkg/controller/endpointslice/utils_test.go
index 265422141d9..378b3ff6bf4 100644
--- a/pkg/controller/endpointslice/utils_test.go
+++ b/pkg/controller/endpointslice/utils_test.go
@@ -525,7 +525,7 @@ func TestGetEndpointPorts(t *testing.T) {
 					Ports: []v1.ServicePort{{
 						Name:        "http",
 						Port:        80,
-						TargetPort:  intstr.FromInt(80),
+						TargetPort:  intstr.FromInt32(80),
 						Protocol:    protoTCP,
 						AppProtocol: pointer.String("example.com/custom-protocol"),
 					}},
@@ -551,7 +551,7 @@ func TestGetEndpointPorts(t *testing.T) {
 					Ports: []v1.ServicePort{{
 						Name:       "http",
 						Port:       80,
-						TargetPort: intstr.FromInt(80),
+						TargetPort: intstr.FromInt32(80),
 						Protocol:   protoTCP,
 					}, {
 						Name:        "https",
diff --git a/pkg/controller/util/endpoint/trigger_time_tracker_test.go b/pkg/controller/util/endpoint/trigger_time_tracker_test.go
index 043664e2c05..c468147db3a 100644
--- a/pkg/controller/util/endpoint/trigger_time_tracker_test.go
+++ b/pkg/controller/util/endpoint/trigger_time_tracker_test.go
@@ -135,7 +135,7 @@ func TestServiceUpdatedNoPodChange(t *testing.T) {
 	// service's ports have changed.
 	service.Spec = v1.ServiceSpec{
 		Selector: map[string]string{},
-		Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt(8080), Protocol: "TCP"}},
+		Ports:    []v1.ServicePort{{Port: 80, TargetPort: intstr.FromInt32(8080), Protocol: "TCP"}},
 	}
 
 	// Currently we're not able to calculate trigger time for service updates, hence the returned
diff --git a/pkg/proxy/iptables/proxier_test.go b/pkg/proxy/iptables/proxier_test.go
index 374fb321330..0e5e7f8b0d9 100644
--- a/pkg/proxy/iptables/proxier_test.go
+++ b/pkg/proxy/iptables/proxier_test.go
@@ -1763,7 +1763,7 @@ func TestOverallIPTablesRulesWithMultipleServices(t *testing.T) {
 				Name:       "p80",
 				Port:       80,
 				Protocol:   v1.ProtocolTCP,
-				TargetPort: intstr.FromInt(80),
+				TargetPort: intstr.FromInt32(80),
 			}}
 		}),
 		// create LoadBalancer service with Cluster traffic policy and source ranges
@@ -1793,7 +1793,7 @@ func TestOverallIPTablesRulesWithMultipleServices(t *testing.T) {
 				Name:       "p80",
 				Port:       80,
 				Protocol:   v1.ProtocolTCP,
-				TargetPort: intstr.FromInt(80),
+				TargetPort: intstr.FromInt32(80),
 			}}
 		}),
 	)
@@ -5138,7 +5138,7 @@ func TestEndpointSliceE2E(t *testing.T) {
 		Spec: v1.ServiceSpec{
 			ClusterIP: "172.30.1.1",
 			Selector:  map[string]string{"foo": "bar"},
-			Ports:     []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP}},
+			Ports:     []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP}},
 		},
 	})
 
@@ -5198,7 +5198,7 @@ func TestHealthCheckNodePortWhenTerminating(t *testing.T) {
 		Spec: v1.ServiceSpec{
 			ClusterIP: "172.30.1.1",
 			Selector:  map[string]string{"foo": "bar"},
-			Ports:     []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP}},
+			Ports:     []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP}},
 		},
 	})
 
@@ -5801,7 +5801,7 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyLocal(t *testing.T) {
 			Ports: []v1.ServicePort{
 				{
 					Name:       "",
-					TargetPort: intstr.FromInt(80),
+					TargetPort: intstr.FromInt32(80),
 					Port:       80,
 					Protocol:   v1.ProtocolTCP,
 				},
@@ -6598,7 +6598,7 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyCluster(t *testing.T)
 			Ports: []v1.ServicePort{
 				{
 					Name:       "",
-					TargetPort: intstr.FromInt(80),
+					TargetPort: intstr.FromInt32(80),
 					Port:       80,
 					Protocol:   v1.ProtocolTCP,
 				},
diff --git a/pkg/proxy/ipvs/proxier_test.go b/pkg/proxy/ipvs/proxier_test.go
index 4a0e515cc9b..7899d7412da 100644
--- a/pkg/proxy/ipvs/proxier_test.go
+++ b/pkg/proxy/ipvs/proxier_test.go
@@ -4376,7 +4376,7 @@ func TestEndpointSliceE2E(t *testing.T) {
 		Spec: v1.ServiceSpec{
 			ClusterIP: "172.20.1.1",
 			Selector:  map[string]string{"foo": "bar"},
-			Ports:     []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP}},
+			Ports:     []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP}},
 		},
 	})
 
@@ -4463,7 +4463,7 @@ func TestHealthCheckNodePortE2E(t *testing.T) {
 		Spec: v1.ServiceSpec{
 			ClusterIP:             "172.20.1.1",
 			Selector:              map[string]string{"foo": "bar"},
-			Ports:                 []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP}},
+			Ports:                 []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP}},
 			Type:                  "LoadBalancer",
 			HealthCheckNodePort:   30000,
 			ExternalTrafficPolicy: v1.ServiceExternalTrafficPolicyLocal,
@@ -4517,7 +4517,7 @@ func Test_HealthCheckNodePortWhenTerminating(t *testing.T) {
 		Spec: v1.ServiceSpec{
 			ClusterIP: "172.20.1.1",
 			Selector:  map[string]string{"foo": "bar"},
-			Ports:     []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP}},
+			Ports:     []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP}},
 		},
 	})
 
@@ -4768,7 +4768,7 @@ func TestTestInternalTrafficPolicyE2E(t *testing.T) {
 			Spec: v1.ServiceSpec{
 				ClusterIP: "172.20.1.1",
 				Selector:  map[string]string{"foo": "bar"},
-				Ports:     []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP}},
+				Ports:     []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP}},
 			},
 		}
 		if tc.internalTrafficPolicy != nil {
@@ -4878,7 +4878,7 @@ func Test_EndpointSliceReadyAndTerminatingCluster(t *testing.T) {
 				{
 					Name:       "",
 					Port:       80,
-					TargetPort: intstr.FromInt(80),
+					TargetPort: intstr.FromInt32(80),
 					Protocol:   v1.ProtocolTCP,
 				},
 			},
@@ -5055,7 +5055,7 @@ func Test_EndpointSliceReadyAndTerminatingLocal(t *testing.T) {
 				{
 					Name:       "",
 					Port:       80,
-					TargetPort: intstr.FromInt(80),
+					TargetPort: intstr.FromInt32(80),
 					Protocol:   v1.ProtocolTCP,
 				},
 			},
@@ -5231,7 +5231,7 @@ func Test_EndpointSliceOnlyReadyAndTerminatingCluster(t *testing.T) {
 				{
 					Name:       "",
 					Port:       80,
-					TargetPort: intstr.FromInt(80),
+					TargetPort: intstr.FromInt32(80),
 					Protocol:   v1.ProtocolTCP,
 				},
 			},
@@ -5407,7 +5407,7 @@ func Test_EndpointSliceOnlyReadyAndTerminatingLocal(t *testing.T) {
 				{
 					Name:       "",
 					Port:       80,
-					TargetPort: intstr.FromInt(80),
+					TargetPort: intstr.FromInt32(80),
 					Protocol:   v1.ProtocolTCP,
 				},
 			},
@@ -5580,7 +5580,7 @@ func Test_EndpointSliceOnlyReadyAndTerminatingLocalWithFeatureGateDisabled(t *te
 				{
 					Name:       "",
 					Port:       80,
-					TargetPort: intstr.FromInt(80),
+					TargetPort: intstr.FromInt32(80),
 					Protocol:   v1.ProtocolTCP,
 				},
 			},
@@ -5915,7 +5915,7 @@ func TestNoEndpointsMetric(t *testing.T) {
 			Spec: v1.ServiceSpec{
 				ClusterIP: "172.20.1.1",
 				Selector:  map[string]string{"foo": "bar"},
-				Ports:     []v1.ServicePort{{Name: "p80", Port: 80, TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP, NodePort: 30000}},
+				Ports:     []v1.ServicePort{{Name: "p80", Port: 80, TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP, NodePort: 30000}},
 			},
 		}
 		if tc.internalTrafficPolicy != nil {
diff --git a/pkg/proxy/winkernel/proxier_test.go b/pkg/proxy/winkernel/proxier_test.go
index 555a9850747..c6b5e35d366 100644
--- a/pkg/proxy/winkernel/proxier_test.go
+++ b/pkg/proxy/winkernel/proxier_test.go
@@ -895,7 +895,7 @@ func TestEndpointSlice(t *testing.T) {
 		Spec: v1.ServiceSpec{
 			ClusterIP: "172.20.1.1",
 			Selector:  map[string]string{"foo": "bar"},
-			Ports:     []v1.ServicePort{{Name: svcPortName.Port, TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP}},
+			Ports:     []v1.ServicePort{{Name: svcPortName.Port, TargetPort: intstr.FromInt32(80), Protocol: v1.ProtocolTCP}},
 		},
 	})