diff --git a/google/cloud/gkehub/v1alpha2/membership.proto b/google/cloud/gkehub/v1alpha2/membership.proto
index 6141af33..710a826c 100644
--- a/google/cloud/gkehub/v1alpha2/membership.proto
+++ b/google/cloud/gkehub/v1alpha2/membership.proto
@@ -24,10 +24,13 @@ import "google/longrunning/operations.proto";
 import "google/protobuf/field_mask.proto";
 import "google/protobuf/timestamp.proto";
 
+option csharp_namespace = "Google.Cloud.GkeHub.V1Alpha2";
 option go_package = "google.golang.org/genproto/googleapis/cloud/gkehub/v1alpha2;gkehub";
 option java_multiple_files = true;
 option java_outer_classname = "MembershipProto";
 option java_package = "com.google.cloud.gkehub.v1alpha2";
+option php_namespace = "Google\\Cloud\\GkeHub\\V1alpha2";
+option ruby_package = "Google::Cloud::GkeHub::V1alpha2";
 
 // GKE Hub CRUD API for the Membership resource.
 // The Membership service is currently only available in the global location.