diff --git a/pkg/apis/gatewayapi/v1beta1/doc.go b/pkg/apis/gatewayapi/v1beta1/doc.go
index 6ab038a17..c75f64de1 100644
--- a/pkg/apis/gatewayapi/v1beta1/doc.go
+++ b/pkg/apis/gatewayapi/v1beta1/doc.go
@@ -1,4 +1,6 @@
 // Package v1beta1 contains API Schema definitions for the
 // gateway.networking.k8s.io API group.
 
+// +k8s:deepcopy-gen=package
+
 package v1beta1
diff --git a/pkg/apis/gatewayapi/v1beta1/httproute_types.go b/pkg/apis/gatewayapi/v1beta1/httproute_types.go
index 9da2eae8f..4b0d950ef 100644
--- a/pkg/apis/gatewayapi/v1beta1/httproute_types.go
+++ b/pkg/apis/gatewayapi/v1beta1/httproute_types.go
@@ -18,6 +18,7 @@ import (
 )
 
 // +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 // +kubebuilder:object:root=true
 // +kubebuilder:resource:categories=gateway-api
 // +kubebuilder:storageversion
@@ -40,6 +41,7 @@ type HTTPRoute struct {
 	Status HTTPRouteStatus `json:"status,omitempty"`
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 // +kubebuilder:object:root=true
 
 // HTTPRouteList contains a list of HTTPRoute.