diff --git a/networking/v1alpha3/gateway.pb.go b/networking/v1alpha3/gateway.pb.go
index 8ae66a8a59b..9c1a60d1803 100644
--- a/networking/v1alpha3/gateway.pb.go
+++ b/networking/v1alpha3/gateway.pb.go
@@ -913,7 +913,7 @@ type Port struct {
 	// A valid non-negative integer port number.
 	Number uint32 `protobuf:"varint,1,opt,name=number,proto3" json:"number,omitempty"`
 	// The protocol exposed on the port.
-	// MUST BE one of HTTP|HTTPS|GRPC|HTTP2|MONGO|TCP|TLS.
+	// MUST BE one of HTTP|HTTPS|GRPC|GRPC-WEB|HTTP2|MONGO|TCP|TLS.
 	// TLS can be either used to terminate non-HTTP based connections on a specific port
 	// or to route traffic based on SNI header to the destination without terminating the TLS connection.
 	Protocol string `protobuf:"bytes,2,opt,name=protocol,proto3" json:"protocol,omitempty"`
diff --git a/networking/v1alpha3/gateway.pb.html b/networking/v1alpha3/gateway.pb.html
index 9ef04d09e2b..a2dfa29667e 100644
--- a/networking/v1alpha3/gateway.pb.html
+++ b/networking/v1alpha3/gateway.pb.html
@@ -618,7 +618,7 @@ <h2 id="Port">Port</h2>
 <td><code>string</code></td>
 <td>
 <p>The protocol exposed on the port.
-MUST BE one of HTTP|HTTPS|GRPC|HTTP2|MONGO|TCP|TLS.
+MUST BE one of HTTP|HTTPS|GRPC|GRPC-WEB|HTTP2|MONGO|TCP|TLS.
 TLS can be either used to terminate non-HTTP based connections on a specific port
 or to route traffic based on SNI header to the destination without terminating the TLS connection.</p>
 
diff --git a/networking/v1alpha3/gateway.proto b/networking/v1alpha3/gateway.proto
index 7462bbc3e59..319539c900c 100644
--- a/networking/v1alpha3/gateway.proto
+++ b/networking/v1alpha3/gateway.proto
@@ -597,7 +597,7 @@ message Port {
   uint32 number = 1 [(google.api.field_behavior) = REQUIRED];
 
   // The protocol exposed on the port.
-  // MUST BE one of HTTP|HTTPS|GRPC|HTTP2|MONGO|TCP|TLS.
+  // MUST BE one of HTTP|HTTPS|GRPC|GRPC-WEB|HTTP2|MONGO|TCP|TLS.
   // TLS can be either used to terminate non-HTTP based connections on a specific port
   // or to route traffic based on SNI header to the destination without terminating the TLS connection.
   string protocol = 2 [(google.api.field_behavior) = REQUIRED];
diff --git a/networking/v1beta1/gateway.pb.go b/networking/v1beta1/gateway.pb.go
index 69430d06a2f..e3b6cdc53af 100644
--- a/networking/v1beta1/gateway.pb.go
+++ b/networking/v1beta1/gateway.pb.go
@@ -913,7 +913,7 @@ type Port struct {
 	// A valid non-negative integer port number.
 	Number uint32 `protobuf:"varint,1,opt,name=number,proto3" json:"number,omitempty"`
 	// The protocol exposed on the port.
-	// MUST BE one of HTTP|HTTPS|GRPC|HTTP2|MONGO|TCP|TLS.
+	// MUST BE one of HTTP|HTTPS|GRPC|GRPC-WEB|HTTP2|MONGO|TCP|TLS.
 	// TLS can be either used to terminate non-HTTP based connections on a specific port
 	// or to route traffic based on SNI header to the destination without terminating the TLS connection.
 	Protocol string `protobuf:"bytes,2,opt,name=protocol,proto3" json:"protocol,omitempty"`
diff --git a/networking/v1beta1/gateway.proto b/networking/v1beta1/gateway.proto
index 2b3bcf7155b..c289154e08d 100644
--- a/networking/v1beta1/gateway.proto
+++ b/networking/v1beta1/gateway.proto
@@ -597,7 +597,7 @@ message Port {
   uint32 number = 1 [(google.api.field_behavior) = REQUIRED];
 
   // The protocol exposed on the port.
-  // MUST BE one of HTTP|HTTPS|GRPC|HTTP2|MONGO|TCP|TLS.
+  // MUST BE one of HTTP|HTTPS|GRPC|GRPC-WEB|HTTP2|MONGO|TCP|TLS.
   // TLS can be either used to terminate non-HTTP based connections on a specific port
   // or to route traffic based on SNI header to the destination without terminating the TLS connection.
   string protocol = 2 [(google.api.field_behavior) = REQUIRED];