diff --git a/src/google/protobuf/wrappers.proto b/src/google/protobuf/wrappers.proto
index e583e7c40be93..f3ab6929afd43 100644
--- a/src/google/protobuf/wrappers.proto
+++ b/src/google/protobuf/wrappers.proto
@@ -49,6 +49,8 @@ syntax = "proto3";
 
 package google.protobuf;
 
+import "third_party/boundary_proxy/proto_compare/annotation.proto";
+
 option cc_enable_arenas = true;
 option go_package = "google.golang.org/protobuf/types/known/wrapperspb";
 option java_package = "com.google.protobuf";
@@ -57,6 +59,11 @@ option java_multiple_files = true;
 option objc_class_prefix = "GPB";
 option csharp_namespace = "Google.Protobuf.WellKnownTypes";
 
+// Mark this file as having proto_compare annotations to cross TPC boundary
+// proxy. This is for internal testing only.
+option (proto_compare.file_vetting_status) = "latest";
+option (proto_compare.file_use_case) = FILE_USE_CASE_INTERNAL_TPC;
+
 // Wrapper message for `double`.
 //
 // The JSON representation for `DoubleValue` is JSON number.