diff --git a/proto-public/pbmesh/v2beta1/mesh_gateway.pb.go b/proto-public/pbmesh/v2beta1/mesh_gateway.pb.go
index 0fcfa4bf96..1200ba2ae8 100644
--- a/proto-public/pbmesh/v2beta1/mesh_gateway.pb.go
+++ b/proto-public/pbmesh/v2beta1/mesh_gateway.pb.go
@@ -90,6 +90,8 @@ type MeshGatewayListener struct {
 	// +kubebuilder:validation:Maximum=65535
 	// +kubebuilder:validation:Minimum=0
 	Port uint32 `protobuf:"varint,2,opt,name=port,proto3" json:"port,omitempty"`
+	// +kubebuilder:validation:Enum=TCP
+	Protocol string `protobuf:"bytes,3,opt,name=protocol,proto3" json:"protocol,omitempty"`
 }
 
 func (x *MeshGatewayListener) Reset() {
@@ -138,6 +140,13 @@ func (x *MeshGatewayListener) GetPort() uint32 {
 	return 0
 }
 
+func (x *MeshGatewayListener) GetProtocol() string {
+	if x != nil {
+		return x.Protocol
+	}
+	return ""
+}
+
 var File_pbmesh_v2beta1_mesh_gateway_proto protoreflect.FileDescriptor
 
 var file_pbmesh_v2beta1_mesh_gateway_proto_rawDesc = []byte{
@@ -156,29 +165,30 @@ var file_pbmesh_v2beta1_mesh_gateway_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/proto-public/pbmesh/v2beta1/mesh_gateway.proto b/proto-public/pbmesh/v2beta1/mesh_gateway.proto
index ca5dd67756..614d2cccd4 100644
--- a/proto-public/pbmesh/v2beta1/mesh_gateway.proto
+++ b/proto-public/pbmesh/v2beta1/mesh_gateway.proto
@@ -22,4 +22,6 @@ message MeshGatewayListener {
   // +kubebuilder:validation:Maximum=65535
   // +kubebuilder:validation:Minimum=0
   uint32 port = 2;
+  // +kubebuilder:validation:Enum=TCP
+  string protocol = 3;
 }