diff --git a/proto-public/pbmesh/v2beta1/gateway_class.pb.go b/proto-public/pbmesh/v2beta1/gateway_class.pb.go
index 62f92451e1..5e6d442fdd 100644
--- a/proto-public/pbmesh/v2beta1/gateway_class.pb.go
+++ b/proto-public/pbmesh/v2beta1/gateway_class.pb.go
@@ -39,9 +39,9 @@ type GatewayClass struct {
 	ControllerName string `protobuf:"bytes,1,opt,name=controller_name,json=controllerName,proto3" json:"controller_name,omitempty"`
 	// ParametersRef refers to a resource responsible for configuring
 	// the behavior of the GatewayClass.
-	ParametersRef *ParametersReference `protobuf:"bytes,2,opt,name=parameters_ref,json=parametersRef,proto3" json:"parameters_ref,omitempty"`
+	ParametersRef *ParametersReference `protobuf:"bytes,2,opt,name=parameters_ref,json=parametersRef,proto3,oneof" json:"parameters_ref,omitempty"`
 	// Description of GatewayClass
-	Description string `protobuf:"bytes,3,opt,name=description,proto3" json:"description,omitempty"`
+	Description *string `protobuf:"bytes,3,opt,name=description,proto3,oneof" json:"description,omitempty"`
 }
 
 func (x *GatewayClass) Reset() {
@@ -91,8 +91,8 @@ func (x *GatewayClass) GetParametersRef() *ParametersReference {
 }
 
 func (x *GatewayClass) GetDescription() string {
-	if x != nil {
-		return x.Description
+	if x != nil && x.Description != nil {
+		return *x.Description
 	}
 	return ""
 }
@@ -115,7 +115,7 @@ type ParametersReference struct {
 	// The name of the referred object
 	Name string `protobuf:"bytes,3,opt,name=name,proto3" json:"name,omitempty"`
 	// The kubernetes namespace that the referred object is in
-	Namespace string `protobuf:"bytes,4,opt,name=namespace,proto3" json:"namespace,omitempty"`
+	Namespace *string `protobuf:"bytes,4,opt,name=namespace,proto3,oneof" json:"namespace,omitempty"`
 }
 
 func (x *ParametersReference) Reset() {
@@ -172,8 +172,8 @@ func (x *ParametersReference) GetName() string {
 }
 
 func (x *ParametersReference) GetNamespace() string {
-	if x != nil {
-		return x.Namespace
+	if x != nil && x.Namespace != nil {
+		return *x.Namespace
 	}
 	return ""
 }
@@ -187,43 +187,48 @@ var file_pbmesh_v2beta1_gateway_class_proto_rawDesc = []byte{
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+	0x33,
 }
 
 var (
@@ -283,6 +288,8 @@ func file_pbmesh_v2beta1_gateway_class_proto_init() {
 			}
 		}
 	}
+	file_pbmesh_v2beta1_gateway_class_proto_msgTypes[0].OneofWrappers = []interface{}{}
+	file_pbmesh_v2beta1_gateway_class_proto_msgTypes[1].OneofWrappers = []interface{}{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
diff --git a/proto-public/pbmesh/v2beta1/gateway_class.proto b/proto-public/pbmesh/v2beta1/gateway_class.proto
index 502a6d913b..8bba03c416 100644
--- a/proto-public/pbmesh/v2beta1/gateway_class.proto
+++ b/proto-public/pbmesh/v2beta1/gateway_class.proto
@@ -21,10 +21,10 @@ message GatewayClass {
 
   // ParametersRef refers to a resource responsible for configuring
   // the behavior of the GatewayClass.
-  ParametersReference parameters_ref = 2;
+  optional ParametersReference parameters_ref = 2;
 
   // Description of GatewayClass
-  string description = 3;
+  optional string description = 3;
 }
 
 // NOTE: this should align to the GAMMA/gateway-api version, or at least be
@@ -45,5 +45,5 @@ message ParametersReference {
   string name = 3;
 
   // The kubernetes namespace that the referred object is in
-  string namespace = 4;
+  optional string namespace = 4;
 }