diff --git a/go.mod b/go.mod
index f0fb40cbf..9d9ca2417 100644
--- a/go.mod
+++ b/go.mod
@@ -14,10 +14,10 @@ require (
 	k8s.io/api v0.29.2
 	k8s.io/apimachinery v0.29.2
 	k8s.io/client-go v0.29.2
-	knative.dev/eventing v0.40.1-0.20240412211715-d96c6db35034
+	knative.dev/eventing v0.40.1-0.20240415144124-f9d8dea7953b
 	knative.dev/hack v0.0.0-20240404013450-1133b37da8d7
-	knative.dev/pkg v0.0.0-20240415083725-39d72dabe4f2
-	knative.dev/serving v0.40.1-0.20240414155122-2802229951cc
+	knative.dev/pkg v0.0.0-20240416131957-2a686972868e
+	knative.dev/serving v0.40.1-0.20240416131840-a8e4fea15a64
 )
 
 require (
@@ -91,7 +91,7 @@ require (
 	google.golang.org/api v0.172.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240314234333-6e1732d8331c // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240318140521-94a12d6c2237 // indirect
-	google.golang.org/grpc v1.63.0 // indirect
+	google.golang.org/grpc v1.63.2 // indirect
 	google.golang.org/protobuf v1.33.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
@@ -102,7 +102,7 @@ require (
 	k8s.io/klog/v2 v2.120.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00 // indirect
 	k8s.io/utils v0.0.0-20240102154912-e7106e64919e // indirect
-	knative.dev/networking v0.0.0-20240410205709-a3d8b0fc9cd2 // indirect
+	knative.dev/networking v0.0.0-20240411132722-aaf8f94e0652 // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
 	sigs.k8s.io/yaml v1.4.0 // indirect
diff --git a/go.sum b/go.sum
index d9c492897..a8614458d 100644
--- a/go.sum
+++ b/go.sum
@@ -654,8 +654,8 @@ google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3Iji
 google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.63.0 h1:WjKe+dnvABXyPJMD7KDNLxtoGk5tgk+YFWN6cBWjZE8=
-google.golang.org/grpc v1.63.0/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA=
+google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM=
+google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -721,16 +721,16 @@ k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00 h1:aVUu9fTY98ivBPKR9Y5w/A
 k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00/go.mod h1:AsvuZPBlUDVuCdzJ87iajxtXuR9oktsTctW/R9wwouA=
 k8s.io/utils v0.0.0-20240102154912-e7106e64919e h1:eQ/4ljkx21sObifjzXwlPKpdGLrCfRziVtos3ofG/sQ=
 k8s.io/utils v0.0.0-20240102154912-e7106e64919e/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
-knative.dev/eventing v0.40.1-0.20240412211715-d96c6db35034 h1:4nyq7I4CyAETiS30+GvLCcnhrttOJdXobUnN8fR2v+M=
-knative.dev/eventing v0.40.1-0.20240412211715-d96c6db35034/go.mod h1:9Z4LOibonSIPvnb3KNoYKNsEHX2I3i97n3s+mvNeOh0=
+knative.dev/eventing v0.40.1-0.20240415144124-f9d8dea7953b h1:w5+lI5uEya5vsMxZGgmmffR59TzduNNRso+aXyGKzfE=
+knative.dev/eventing v0.40.1-0.20240415144124-f9d8dea7953b/go.mod h1:udh91In1azSDfSYAQafZjEA1oTGcjIsdx8Zu1Aj4Qew=
 knative.dev/hack v0.0.0-20240404013450-1133b37da8d7 h1:fkWYWvdHm1mVHevKW2vVJnZtxH0NzOlux8imesweKwE=
 knative.dev/hack v0.0.0-20240404013450-1133b37da8d7/go.mod h1:yk2OjGDsbEnQjfxdm0/HJKS2WqTLEFg/N6nUs6Rqx3Q=
-knative.dev/networking v0.0.0-20240410205709-a3d8b0fc9cd2 h1:W8M/cxPYUOIjNcwQ3w2Il/qlYKpZBPJ89ysTr5MTI/A=
-knative.dev/networking v0.0.0-20240410205709-a3d8b0fc9cd2/go.mod h1:yXbBRuzGKDkHSdvqUT7/1j9br5gkJL9LAyxpHfcF3h8=
-knative.dev/pkg v0.0.0-20240415083725-39d72dabe4f2 h1:KJWHJSt3nw/ZOdsobHzZ0Q22F1epDFkn32ufec40NCs=
-knative.dev/pkg v0.0.0-20240415083725-39d72dabe4f2/go.mod h1:zFm9ELu1AdcRb/OD7sXG+DlLJpKvsklW8WCWGBFBJ9k=
-knative.dev/serving v0.40.1-0.20240414155122-2802229951cc h1:V2/V9BmRUkxj0ps40vgV9SLFQ5vHMIukQO2TkrSIHr4=
-knative.dev/serving v0.40.1-0.20240414155122-2802229951cc/go.mod h1:CpXBwobgB28M7KhsciJs5WrH4i9WFF65qOeQIQ1fwCM=
+knative.dev/networking v0.0.0-20240411132722-aaf8f94e0652 h1:b5eBI6/FrD92bblxZlHttAZP4dvF45v2HSKfN+m0NnU=
+knative.dev/networking v0.0.0-20240411132722-aaf8f94e0652/go.mod h1:yXbBRuzGKDkHSdvqUT7/1j9br5gkJL9LAyxpHfcF3h8=
+knative.dev/pkg v0.0.0-20240416131957-2a686972868e h1:MoZmC4nDXKqxRM414CCPjnDPiRzDWlA4GHdWkKs47sI=
+knative.dev/pkg v0.0.0-20240416131957-2a686972868e/go.mod h1:s0Pq84a5h8vNjvSAiwsSz0tU0T9ngtuwFzVGaOXBQ3A=
+knative.dev/serving v0.40.1-0.20240416131840-a8e4fea15a64 h1:PxTSR3zcp0c3Bcc/ais+eSU8QHj1tksJMt3b+zJ8QZU=
+knative.dev/serving v0.40.1-0.20240416131840-a8e4fea15a64/go.mod h1:mI/OYDnSTBjG8GIxsqnzFc8sMuAu8VAHJLRQjKAS2dM=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
diff --git a/vendor/google.golang.org/grpc/clientconn.go b/vendor/google.golang.org/grpc/clientconn.go
index e3eb44d58..c7f260711 100644
--- a/vendor/google.golang.org/grpc/clientconn.go
+++ b/vendor/google.golang.org/grpc/clientconn.go
@@ -196,8 +196,6 @@ func NewClient(target string, opts ...DialOption) (conn *ClientConn, err error)
 }
 
 // Dial calls DialContext(context.Background(), target, opts...).
-//
-// Deprecated: use NewClient instead.  Will be supported throughout 1.x.
 func Dial(target string, opts ...DialOption) (*ClientConn, error) {
 	return DialContext(context.Background(), target, opts...)
 }
@@ -211,8 +209,6 @@ func Dial(target string, opts ...DialOption) (*ClientConn, error) {
 // "passthrough" for backward compatibility.  This distinction should not matter
 // to most users, but could matter to legacy users that specify a custom dialer
 // and expect it to receive the target string directly.
-//
-// Deprecated: use NewClient instead.  Will be supported throughout 1.x.
 func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *ClientConn, err error) {
 	// At the end of this method, we kick the channel out of idle, rather than
 	// waiting for the first rpc.
@@ -837,7 +833,7 @@ func (cc *ClientConn) newAddrConnLocked(addrs []resolver.Address, opts balancer.
 		addrs:        copyAddressesWithoutBalancerAttributes(addrs),
 		scopts:       opts,
 		dopts:        cc.dopts,
-		channelz:     channelz.RegisterSubChannel(cc.channelz.ID, ""),
+		channelz:     channelz.RegisterSubChannel(cc.channelz, ""),
 		resetBackoff: make(chan struct{}),
 		stateChan:    make(chan struct{}),
 	}
diff --git a/vendor/google.golang.org/grpc/internal/channelz/funcs.go b/vendor/google.golang.org/grpc/internal/channelz/funcs.go
index f461e9bc3..03e24e150 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/funcs.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/funcs.go
@@ -143,20 +143,21 @@ func RegisterChannel(parent *Channel, target string) *Channel {
 // Returns a unique channelz identifier assigned to this subChannel.
 //
 // If channelz is not turned ON, the channelz database is not mutated.
-func RegisterSubChannel(pid int64, ref string) *SubChannel {
+func RegisterSubChannel(parent *Channel, ref string) *SubChannel {
 	id := IDGen.genID()
-	if !IsOn() {
-		return &SubChannel{ID: id}
-	}
-
 	sc := &SubChannel{
-		RefName: ref,
 		ID:      id,
-		sockets: make(map[int64]string),
-		parent:  db.getChannel(pid),
-		trace:   &ChannelTrace{CreationTime: time.Now(), Events: make([]*traceEvent, 0, getMaxTraceEntry())},
+		RefName: ref,
+		parent:  parent,
 	}
-	db.addSubChannel(id, sc, pid)
+
+	if !IsOn() {
+		return sc
+	}
+
+	sc.sockets = make(map[int64]string)
+	sc.trace = &ChannelTrace{CreationTime: time.Now(), Events: make([]*traceEvent, 0, getMaxTraceEntry())}
+	db.addSubChannel(id, sc, parent.ID)
 	return sc
 }
 
diff --git a/vendor/google.golang.org/grpc/version.go b/vendor/google.golang.org/grpc/version.go
index eaf5dbcea..2556f7583 100644
--- a/vendor/google.golang.org/grpc/version.go
+++ b/vendor/google.golang.org/grpc/version.go
@@ -19,4 +19,4 @@
 package grpc
 
 // Version is the current grpc version.
-const Version = "1.63.0"
+const Version = "1.63.2"
diff --git a/vendor/modules.txt b/vendor/modules.txt
index cdee19bac..be3cda36c 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -357,7 +357,7 @@ google.golang.org/genproto/googleapis/api/httpbody
 # google.golang.org/genproto/googleapis/rpc v0.0.0-20240318140521-94a12d6c2237
 ## explicit; go 1.19
 google.golang.org/genproto/googleapis/rpc/status
-# google.golang.org/grpc v1.63.0
+# google.golang.org/grpc v1.63.2
 ## explicit; go 1.19
 google.golang.org/grpc
 google.golang.org/grpc/attributes
@@ -966,7 +966,7 @@ k8s.io/utils/pointer
 k8s.io/utils/ptr
 k8s.io/utils/strings/slices
 k8s.io/utils/trace
-# knative.dev/eventing v0.40.1-0.20240412211715-d96c6db35034
+# knative.dev/eventing v0.40.1-0.20240415144124-f9d8dea7953b
 ## explicit; go 1.21
 knative.dev/eventing/pkg/adapter/v2
 knative.dev/eventing/pkg/adapter/v2/test
@@ -1020,12 +1020,12 @@ knative.dev/eventing/pkg/observability/client
 # knative.dev/hack v0.0.0-20240404013450-1133b37da8d7
 ## explicit; go 1.18
 knative.dev/hack
-# knative.dev/networking v0.0.0-20240410205709-a3d8b0fc9cd2
+# knative.dev/networking v0.0.0-20240411132722-aaf8f94e0652
 ## explicit; go 1.21
 knative.dev/networking/pkg/apis/networking
 knative.dev/networking/pkg/apis/networking/v1alpha1
 knative.dev/networking/pkg/config
-# knative.dev/pkg v0.0.0-20240415083725-39d72dabe4f2
+# knative.dev/pkg v0.0.0-20240416131957-2a686972868e
 ## explicit; go 1.21
 knative.dev/pkg/apis
 knative.dev/pkg/apis/duck
@@ -1089,7 +1089,7 @@ knative.dev/pkg/webhook/psbinding
 knative.dev/pkg/webhook/resourcesemantics
 knative.dev/pkg/webhook/resourcesemantics/defaulting
 knative.dev/pkg/webhook/resourcesemantics/validation
-# knative.dev/serving v0.40.1-0.20240414155122-2802229951cc
+# knative.dev/serving v0.40.1-0.20240416131840-a8e4fea15a64
 ## explicit; go 1.21
 knative.dev/serving/pkg/apis/autoscaling
 knative.dev/serving/pkg/apis/autoscaling/v1alpha1