diff --git a/src/models/member.rs b/src/models/member.rs
index d2273e5..fa3fb2a 100644
--- a/src/models/member.rs
+++ b/src/models/member.rs
@@ -45,8 +45,8 @@ pub struct ParentMemberModel {
   pub member_level: ::core::option::Option<super::member_level::MemberLevel>,
   #[prost(message, optional, tag = "5")]
   pub bank_account: ::core::option::Option<super::member_bank_account::MemberBankAccountModel>,
-  #[prost(message, optional, tag = "6")]
-  pub parent_member: ::core::option::Option<Member>,
+  #[prost(string, optional, tag = "6")]
+  pub parent_member_id: ::core::option::Option<::prost::alloc::string::String>,
   #[prost(uint64, tag = "7")]
   pub child_member_count: u64,
   #[prost(string, tag = "8")]