diff --git a/third_party/protobuf/src/google/protobuf/repeated_field.h b/third_party/protobuf/src/google/protobuf/repeated_field.h

index b5b193c..4434854 100644

--- a/third_party/protobuf/src/google/protobuf/repeated_field.h

+++ b/third_party/protobuf/src/google/protobuf/repeated_field.h

@@ -804,7 +804,7 @@ class StringTypeHandler {

 // RepeatedPtrField is like RepeatedField, but used for repeated strings or

 // Messages.

 template <typename Element>

-class RepeatedPtrField final : private internal::RepeatedPtrFieldBase {

+class PROTOBUF_EXPORT RepeatedPtrField final : private internal::RepeatedPtrFieldBase {

  public:

   RepeatedPtrField();

   explicit RepeatedPtrField(Arena* arena);

​