diff --git a/apis/meta/v1alpha1/labels_annotations.go b/apis/meta/v1alpha1/labels_annotations.go
index a2546955..707aebc9 100644
--- a/apis/meta/v1alpha1/labels_annotations.go
+++ b/apis/meta/v1alpha1/labels_annotations.go
@@ -80,6 +80,8 @@ const (
 	DisplayNameAnnotationKey = "katanomi.dev/displayName"
 	// CreatedTimeAnnotationKey creation time for objects
 	CreatedTimeAnnotationKey = "katanomi.dev/creationTime"
+	// UpdatedTimeAnnotationKey update time for objects
+	UpdatedTimeAnnotationKey = "katanomi.dev/updateTime"
 	// DeletedTimeAnnotationKey deletion time for objects
 	DeletedTimeAnnotationKey = "katanomi.dev/deletionTime"
 	// CrossClusterAnnotationKey annotates a cross cluster resource/action
diff --git a/webhook/admission/transform.go b/webhook/admission/transform.go
index ff61b3fe..98664b33 100644
--- a/webhook/admission/transform.go
+++ b/webhook/admission/transform.go
@@ -18,6 +18,7 @@ package admission
 
 import (
 	"context"
+	"time"
 
 	mv1alpha1 "github.com/katanomi/pkg/apis/meta/v1alpha1"
 	admissionv1 "k8s.io/api/admission/v1"
@@ -175,6 +176,22 @@ func WithCancelledBy(scheme *runtime.Scheme, isCancelled func(oldObj runtime.Obj
 	}
 }
 
+// WithUpdateTime adds a updateTime annotation to the object
+func WithUpdateTime() TransformFunc {
+	return func(ctx context.Context, obj runtime.Object, req admission.Request) {
+		if req.Operation != admissionv1.Update {
+			return
+		}
+		newObj := obj.(metav1.Object)
+		annotations := newObj.GetAnnotations()
+		if annotations == nil {
+			annotations = map[string]string{}
+		}
+		annotations[mv1alpha1.UpdatedTimeAnnotationKey] = time.Now().Format(time.RFC3339)
+		newObj.SetAnnotations(annotations)
+	}
+}
+
 // setCancelledBy will set obj annotation base on the request information
 func setCancelledBy(ctx context.Context, obj runtime.Object, req admission.Request) {
 	logger := logging.FromContext(ctx)
diff --git a/webhook/admission/transform_test.go b/webhook/admission/transform_test.go
index 4f87f78c..b32b41c6 100644
--- a/webhook/admission/transform_test.go
+++ b/webhook/admission/transform_test.go
@@ -19,10 +19,13 @@ package admission
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 	"testing"
+	"time"
 
 	"github.com/katanomi/pkg/apis/meta/v1alpha1"
 	. "github.com/onsi/gomega"
+	"github.com/onsi/gomega/matchers"
 	v1 "k8s.io/api/admission/v1"
 	authenticationv1 "k8s.io/api/authentication/v1"
 	corev1 "k8s.io/api/core/v1"
@@ -93,3 +96,41 @@ func TestWithCancelledBy(t *testing.T) {
 	Expect(pod.Annotations[v1alpha1.CancelledByAnnotationKey]).To(Equal(`{"user":{"kind":"User","name":"admin"}}`))
 
 }
+
+func TestWithUpdateTime(t *testing.T) {
+	g := NewGomegaWithT(t)
+	ctx := context.Background()
+	obj := &corev1.Pod{
+		TypeMeta: metav1.TypeMeta{
+			APIVersion: "v1",
+			Kind:       "Pod",
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "pod",
+			Namespace: "default",
+			UID:       types.UID("abc"),
+		},
+	}
+
+	req := admission.Request{
+		AdmissionRequest: v1.AdmissionRequest{
+			Operation: v1.Create,
+		},
+	}
+	WithUpdateTime()(ctx, obj, req)
+	g.Expect(obj.Annotations).NotTo(HaveKey(v1alpha1.UpdatedTimeAnnotationKey))
+
+	req.Operation = v1.Update
+	WithUpdateTime()(ctx, obj, req)
+	beTimeString := matchers.NewWithTransformMatcher(checkTimeString, BeTrue())
+	g.Expect(obj.Annotations[v1alpha1.UpdatedTimeAnnotationKey]).To(beTimeString)
+}
+
+func checkTimeString(actual interface{}) (interface{}, error) {
+	str, ok := actual.(string)
+	if !ok {
+		return false, fmt.Errorf("expected string value, got %v", actual)
+	}
+	_, err := time.Parse(time.RFC3339, str)
+	return err == nil, err
+}