diff --git a/pkg/capacityscheduling/capacity_scheduling.go b/pkg/capacityscheduling/capacity_scheduling.go
index 41b678322..40980ad9c 100644
--- a/pkg/capacityscheduling/capacity_scheduling.go
+++ b/pkg/capacityscheduling/capacity_scheduling.go
@@ -42,6 +42,7 @@ import (
 	"k8s.io/kubernetes/pkg/scheduler/framework/plugins/defaultpreemption"
 	schedutil "k8s.io/kubernetes/pkg/scheduler/util"
 
+	"sigs.k8s.io/scheduler-plugins/pkg/apis/scheduling"
 	"sigs.k8s.io/scheduler-plugins/pkg/apis/scheduling/v1alpha1"
 	"sigs.k8s.io/scheduler-plugins/pkg/generated/clientset/versioned"
 	schedinformer "sigs.k8s.io/scheduler-plugins/pkg/generated/informers/externalversions"
@@ -184,9 +185,12 @@ func New(obj runtime.Object, handle framework.Handle) (framework.Plugin, error)
 }
 
 func (c *CapacityScheduling) EventsToRegister() []framework.ClusterEvent {
+	// To register a custom event, follow the naming convention at:
+	// https://git.k8s.io/kubernetes/pkg/scheduler/eventhandlers.go#L403-L410
+	eqGVK := fmt.Sprintf("elasticquotas.v1alpha1.%v", scheduling.GroupName)
 	return []framework.ClusterEvent{
 		{Resource: framework.Pod, ActionType: framework.Delete},
-		// TODO: once bump the dependency to k8s 1.22, addd custom object events.
+		{Resource: framework.GVK(eqGVK), ActionType: framework.All},
 	}
 }
 
diff --git a/pkg/coscheduling/coscheduling.go b/pkg/coscheduling/coscheduling.go
index 5ce30dab4..69c8a466d 100644
--- a/pkg/coscheduling/coscheduling.go
+++ b/pkg/coscheduling/coscheduling.go
@@ -30,6 +30,7 @@ import (
 	"k8s.io/kubernetes/pkg/scheduler/framework"
 
 	"sigs.k8s.io/scheduler-plugins/pkg/apis/config"
+	"sigs.k8s.io/scheduler-plugins/pkg/apis/scheduling"
 	"sigs.k8s.io/scheduler-plugins/pkg/apis/scheduling/v1alpha1"
 	"sigs.k8s.io/scheduler-plugins/pkg/coscheduling/core"
 	pgclientset "sigs.k8s.io/scheduler-plugins/pkg/generated/clientset/versioned"
@@ -90,9 +91,12 @@ func New(obj runtime.Object, handle framework.Handle) (framework.Plugin, error)
 }
 
 func (cs *Coscheduling) EventsToRegister() []framework.ClusterEvent {
+	// To register a custom event, follow the naming convention at:
+	// https://git.k8s.io/kubernetes/pkg/scheduler/eventhandlers.go#L403-L410
+	pgGVK := fmt.Sprintf("podgroups.v1alpha1.%v", scheduling.GroupName)
 	return []framework.ClusterEvent{
 		{Resource: framework.Pod, ActionType: framework.Add},
-		// TODO: once bump the dependency to k8s 1.22, addd custom object events.
+		{Resource: framework.GVK(pgGVK), ActionType: framework.Add | framework.Update},
 	}
 }
 
diff --git a/pkg/noderesourcetopology/plugin.go b/pkg/noderesourcetopology/plugin.go
index f804a6992..3cbcf8c4e 100644
--- a/pkg/noderesourcetopology/plugin.go
+++ b/pkg/noderesourcetopology/plugin.go
@@ -25,6 +25,7 @@ import (
 	"k8s.io/kubernetes/pkg/scheduler/framework"
 	apiconfig "sigs.k8s.io/scheduler-plugins/pkg/apis/config"
 
+	"github.com/k8stopologyawareschedwg/noderesourcetopology-api/pkg/apis/topology"
 	topologyv1alpha1 "github.com/k8stopologyawareschedwg/noderesourcetopology-api/pkg/apis/topology/v1alpha1"
 	listerv1alpha1 "github.com/k8stopologyawareschedwg/noderesourcetopology-api/pkg/generated/listers/topology/v1alpha1"
 )
@@ -117,8 +118,12 @@ func New(args runtime.Object, handle framework.Handle) (framework.Plugin, error)
 // should be registered for this plugin since a Pod update may free up resources
 // that make other Pods schedulable.
 func (tm *TopologyMatch) EventsToRegister() []framework.ClusterEvent {
+	// To register a custom event, follow the naming convention at:
+	// https://git.k8s.io/kubernetes/pkg/scheduler/eventhandlers.go#L403-L410
+	nrtGVK := fmt.Sprintf("noderesourcetopologies.v1alpha1.%v", topologyapi.GroupName)
 	return []framework.ClusterEvent{
 		{Resource: framework.Pod, ActionType: framework.Delete},
 		{Resource: framework.Node, ActionType: framework.Add | framework.UpdateNodeAllocatable},
+		{Resource: framework.GVK(nrtGVK), ActionType: framework.Add | framework.Update},
 	}
 }