diff --git a/google/cloud/osconfig/v1/osconfig_service.proto b/google/cloud/osconfig/v1/osconfig_service.proto
index 956874618..6fada4865 100644
--- a/google/cloud/osconfig/v1/osconfig_service.proto
+++ b/google/cloud/osconfig/v1/osconfig_service.proto
@@ -22,9 +22,12 @@ import "google/cloud/osconfig/v1/patch_deployments.proto";
 import "google/cloud/osconfig/v1/patch_jobs.proto";
 import "google/protobuf/empty.proto";
 
+option csharp_namespace = "Google.Cloud.OsConfig.V1";
 option go_package = "google.golang.org/genproto/googleapis/cloud/osconfig/v1;osconfig";
 option java_outer_classname = "OsConfigProto";
 option java_package = "com.google.cloud.osconfig.v1";
+option php_namespace = "Google\\Cloud\\OsConfig\\V1";
+option ruby_package = "Google::Cloud::OsConfig::V1";
 
 // OS Config API
 //