diff --git a/go.mod b/go.mod
index c03fd3f1b2..fe62925811 100644
--- a/go.mod
+++ b/go.mod
@@ -21,7 +21,7 @@ require (
 	k8s.io/client-go v0.27.6
 	k8s.io/code-generator v0.27.6
 	k8s.io/kube-openapi v0.0.0-20230928205116-a78145627833
-	knative.dev/eventing v0.39.1-0.20231124172449-d989ca732fad
+	knative.dev/eventing v0.39.1-0.20231128083945-0a6d5b4520bc
 	knative.dev/hack v0.0.0-20231122182901-eb352426ecc1
 	knative.dev/pkg v0.0.0-20231123185329-ea6ea8440341
 	knative.dev/reconciler-test v0.0.0-20231124074205-94985a9f3833
diff --git a/go.sum b/go.sum
index eb93dfd028..9836d7852e 100644
--- a/go.sum
+++ b/go.sum
@@ -1870,8 +1870,8 @@ k8s.io/kube-openapi v0.0.0-20230928205116-a78145627833 h1:iFFEmmB7szQhJP42AvRD2+
 k8s.io/kube-openapi v0.0.0-20230928205116-a78145627833/go.mod h1:AsvuZPBlUDVuCdzJ87iajxtXuR9oktsTctW/R9wwouA=
 k8s.io/utils v0.0.0-20230726121419-3b25d923346b h1:sgn3ZU783SCgtaSJjpcVVlRqd6GSnlTLKgpAAttJvpI=
 k8s.io/utils v0.0.0-20230726121419-3b25d923346b/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
-knative.dev/eventing v0.39.1-0.20231124172449-d989ca732fad h1:KNtNoC4ojhvdmFTKM7rcbylKua7SmOxwajeuWDPAFFs=
-knative.dev/eventing v0.39.1-0.20231124172449-d989ca732fad/go.mod h1:hibqweYk29xszfCrMZLYllRqsJJUl4K6pLBB1P/s5Bo=
+knative.dev/eventing v0.39.1-0.20231128083945-0a6d5b4520bc h1:Qm8K63PgxtYq/5T7ldmVj1mMENzd5JN6Tqvwyk9pMW8=
+knative.dev/eventing v0.39.1-0.20231128083945-0a6d5b4520bc/go.mod h1:hibqweYk29xszfCrMZLYllRqsJJUl4K6pLBB1P/s5Bo=
 knative.dev/hack v0.0.0-20231122182901-eb352426ecc1 h1:ZUkFAaq5gEls7bJ2ADLg+ZJVtN3KUcHEWx5ngLfacuQ=
 knative.dev/hack v0.0.0-20231122182901-eb352426ecc1/go.mod h1:yk2OjGDsbEnQjfxdm0/HJKS2WqTLEFg/N6nUs6Rqx3Q=
 knative.dev/pkg v0.0.0-20231123185329-ea6ea8440341 h1:GVSTPofS7DbTTxoJw4TwfxNWCzH4QcSI5jm4F7tgDPE=
diff --git a/vendor/knative.dev/eventing/test/rekt/features/broker/topology.go b/vendor/knative.dev/eventing/test/rekt/features/broker/topology.go
index aa27810473..ef3adbb8ac 100644
--- a/vendor/knative.dev/eventing/test/rekt/features/broker/topology.go
+++ b/vendor/knative.dev/eventing/test/rekt/features/broker/topology.go
@@ -172,7 +172,7 @@ func assertExpectedRoutedEvents(prober *eventshub.EventProber, expected map[stri
 			if len(want) != 0 && len(got) != 0 {
 				// ID is adjusted by eventshub.
 				except := []cmp.Option{
-					cmpopts.IgnoreFields(conformanceevent.ContextAttributes{}, "ID"),
+					cmpopts.IgnoreFields(conformanceevent.ContextAttributes{}, "ID", "Extensions"),
 					cmpopts.IgnoreMapEntries(func(k, v string) bool { return k == "knativearrivaltime" }),
 				}
 				if diff := cmp.Diff(want, got, except...); diff != "" {
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 46c40b239c..ca84e30a92 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1086,7 +1086,7 @@ k8s.io/utils/pointer
 k8s.io/utils/ptr
 k8s.io/utils/strings/slices
 k8s.io/utils/trace
-# knative.dev/eventing v0.39.1-0.20231124172449-d989ca732fad
+# knative.dev/eventing v0.39.1-0.20231128083945-0a6d5b4520bc
 ## explicit; go 1.19
 knative.dev/eventing/cmd/heartbeats
 knative.dev/eventing/pkg/adapter/v2