diff --git a/go.mod b/go.mod
index ba7af8d3d1..4151511c15 100644
--- a/go.mod
+++ b/go.mod
@@ -20,11 +20,11 @@ require (
 	k8s.io/apimachinery v0.29.2
 	k8s.io/client-go v0.29.2
 	k8s.io/code-generator v0.29.2
-	knative.dev/caching v0.0.0-20240805055809-0a5c1ed07f7a
-	knative.dev/eventing v0.42.1-0.20240801183138-ff37e4e2fc0f
+	knative.dev/caching v0.0.0-20240807073116-a1182ac1e36f
+	knative.dev/eventing v0.42.1-0.20240807141830-7237233ad4cc
 	knative.dev/hack v0.0.0-20240801232131-441a19fc9ead
 	knative.dev/pkg v0.0.0-20240805063731-c88d5dad9653
-	knative.dev/serving v0.42.1-0.20240806121737-73f88b255f5f
+	knative.dev/serving v0.42.1-0.20240807134302-110b43087fed
 	sigs.k8s.io/yaml v1.4.0
 )
 
diff --git a/go.sum b/go.sum
index 8df65e9eb2..0803d0cedc 100644
--- a/go.sum
+++ b/go.sum
@@ -1359,18 +1359,18 @@ k8s.io/utils v0.0.0-20200912215256-4140de9c8800/go.mod h1:jPW/WVKK9YHAvNhRxK0md/
 k8s.io/utils v0.0.0-20210819203725-bdf08cb9a70a/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 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/caching v0.0.0-20240805055809-0a5c1ed07f7a h1:7DgOkQg8N8ZZ3JFX8ARm2x3I8a4krDRm8X7SN/XhpzM=
-knative.dev/caching v0.0.0-20240805055809-0a5c1ed07f7a/go.mod h1:c3GhX20uCX8gscaPHnhicuvFU67TNwWzo+tFOrhXZiQ=
-knative.dev/eventing v0.42.1-0.20240801183138-ff37e4e2fc0f h1:nxcX0qPKzBc/n+gFEhT2sWTnT5xbRdx1QH8TPsXMxqM=
-knative.dev/eventing v0.42.1-0.20240801183138-ff37e4e2fc0f/go.mod h1:sW8btFd57JF2hS2T92Jh/k1PgSOVTQdPzZODXaQs54E=
+knative.dev/caching v0.0.0-20240807073116-a1182ac1e36f h1:Uqm1RPsmEnMehzk921b6EpgbqRkjH23kWuZNzAtO64o=
+knative.dev/caching v0.0.0-20240807073116-a1182ac1e36f/go.mod h1:k/kkD/B2r+6JmMozhpr/gsTdNUEXPkDMLhBUdek8a9A=
+knative.dev/eventing v0.42.1-0.20240807141830-7237233ad4cc h1:3TVm0mNR/am9S7bVW0pnk/E4mT/pQHwY8KOYnJNbLI8=
+knative.dev/eventing v0.42.1-0.20240807141830-7237233ad4cc/go.mod h1:sW8btFd57JF2hS2T92Jh/k1PgSOVTQdPzZODXaQs54E=
 knative.dev/hack v0.0.0-20240801232131-441a19fc9ead h1:ViH1OEO0LViKa6W61YKUpLzOp7CJCFL9yLyIojHIuQ8=
 knative.dev/hack v0.0.0-20240801232131-441a19fc9ead/go.mod h1:R0ritgYtjLDO9527h5vb5X6gfvt5LCrJ55BNbVDsWiY=
 knative.dev/networking v0.0.0-20240802083044-f1702380495f h1:1mIVNRZELhQLuDDFti6R26ZQXqeL2UkS/K0cMqKzBxw=
 knative.dev/networking v0.0.0-20240802083044-f1702380495f/go.mod h1:FNWuEcSif270xzNwQx5xFvEsv7wKiKGPUKzpAXkajT8=
 knative.dev/pkg v0.0.0-20240805063731-c88d5dad9653 h1:VHUW124ZpkDn4EnIzMuGWvGuJte3ISIoHMmEw2kx0zU=
 knative.dev/pkg v0.0.0-20240805063731-c88d5dad9653/go.mod h1:H+5rS2GEWpAZzrmQoXOEVq/1M77LLMhR7+4jZBMOQ24=
-knative.dev/serving v0.42.1-0.20240806121737-73f88b255f5f h1:yBlSzaLPKHuP0q/uhdrCPr7S99ZjrrqRpbnOrA6+3r0=
-knative.dev/serving v0.42.1-0.20240806121737-73f88b255f5f/go.mod h1:gHq0Gm9DC2Kx4HwXFZKH4IcC9sXgoVln9AP93OYFujQ=
+knative.dev/serving v0.42.1-0.20240807134302-110b43087fed h1:MjIfWxEoR2a+MtxV2RW6E1Ads8gdQquTqWzMC9v5Kow=
+knative.dev/serving v0.42.1-0.20240807134302-110b43087fed/go.mod h1:gHq0Gm9DC2Kx4HwXFZKH4IcC9sXgoVln9AP93OYFujQ=
 nhooyr.io/websocket v1.8.6/go.mod h1:B70DZP8IakI65RVQ51MsWP/8jndNma26DVA/nFSCgW0=
 pgregory.net/rapid v1.1.0 h1:CMa0sjHSru3puNx+J0MIAuiiEV4N0qj8/cMWGBBCsjw=
 pgregory.net/rapid v1.1.0/go.mod h1:PY5XlDGj0+V1FCq0o192FdRhpKHGTRIWBgqjDBTrq04=
diff --git a/vendor/knative.dev/eventing/pkg/apis/eventing/v1alpha1/eventpolicy_defaults.go b/vendor/knative.dev/eventing/pkg/apis/eventing/v1alpha1/eventpolicy_defaults.go
index 3e52f5bd48..4514e4c033 100644
--- a/vendor/knative.dev/eventing/pkg/apis/eventing/v1alpha1/eventpolicy_defaults.go
+++ b/vendor/knative.dev/eventing/pkg/apis/eventing/v1alpha1/eventpolicy_defaults.go
@@ -28,4 +28,14 @@ func (ep *EventPolicy) SetDefaults(ctx context.Context) {
 }
 
 func (ets *EventPolicySpec) SetDefaults(ctx context.Context) {
+	for i := range ets.From {
+		ets.From[i].SetDefaults(ctx)
+	}
+}
+
+func (from *EventPolicySpecFrom) SetDefaults(ctx context.Context) {
+	if from.Ref != nil && from.Ref.Namespace == "" {
+		// default to event policies namespace
+		from.Ref.Namespace = apis.ParentMeta(ctx).Namespace
+	}
 }
diff --git a/vendor/modules.txt b/vendor/modules.txt
index e5a0e96f01..09a2635a30 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1318,11 +1318,11 @@ k8s.io/utils/pointer
 k8s.io/utils/ptr
 k8s.io/utils/strings/slices
 k8s.io/utils/trace
-# knative.dev/caching v0.0.0-20240805055809-0a5c1ed07f7a
+# knative.dev/caching v0.0.0-20240807073116-a1182ac1e36f
 ## explicit; go 1.22
 knative.dev/caching/pkg/apis/caching
 knative.dev/caching/pkg/apis/caching/v1alpha1
-# knative.dev/eventing v0.42.1-0.20240801183138-ff37e4e2fc0f
+# knative.dev/eventing v0.42.1-0.20240807141830-7237233ad4cc
 ## explicit; go 1.22
 knative.dev/eventing/pkg/apis/config
 knative.dev/eventing/pkg/apis/duck
@@ -1532,7 +1532,7 @@ knative.dev/pkg/webhook
 knative.dev/pkg/webhook/certificates
 knative.dev/pkg/webhook/certificates/resources
 knative.dev/pkg/webhook/resourcesemantics/conversion
-# knative.dev/serving v0.42.1-0.20240806121737-73f88b255f5f
+# knative.dev/serving v0.42.1-0.20240807134302-110b43087fed
 ## explicit; go 1.22
 knative.dev/serving/pkg/apis/autoscaling
 knative.dev/serving/pkg/apis/autoscaling/v1alpha1