diff --git a/lib/types/messages/update-relationship.js b/lib/types/messages/update-relationship.js
index fa2405122..6de1bb9ac 100644
--- a/lib/types/messages/update-relationship.js
+++ b/lib/types/messages/update-relationship.js
@@ -1,46 +1,67 @@
 // @flow
 
 import t, { type TInterface } from 'tcomb';
 
 import { tID, tNumber, tShape } from '../../utils/validation-utils.js';
 import { messageTypes } from '../message-types-enum.js';
 import type { RelativeUserInfo } from '../user-types.js';
 
-export type UpdateRelationshipMessageData = {
+export type TraditionalRelationshipOperation =
+  | 'request_sent'
+  | 'request_accepted';
+
+export type FarcasterRelationshipOperation = 'farcaster_mutual';
+
+export type UpdateTraditionalRelationshipMessageData = {
   +type: 22,
   +threadID: string,
   +creatorID: string,
   +targetID: string,
   +time: number,
-  +operation: 'request_sent' | 'request_accepted' | 'farcaster_mutual',
+  +operation: TraditionalRelationshipOperation,
 };
 
+export type UpdateFarcasterRelationshipMessageData = {
+  +type: 22,
+  +threadID: string,
+  +creatorID: string,
+  +creatorFID: string,
+  +targetID: string,
+  +targetFID: string,
+  +time: number,
+  +operation: FarcasterRelationshipOperation,
+};
+
+export type UpdateRelationshipMessageData =
+  | UpdateTraditionalRelationshipMessageData
+  | UpdateFarcasterRelationshipMessageData;
+
 export type RawUpdateRelationshipMessageInfo = {
   ...UpdateRelationshipMessageData,
   id: string,
 };
 
 export const rawUpdateRelationshipMessageInfoValidator: TInterface<RawUpdateRelationshipMessageInfo> =
   tShape<RawUpdateRelationshipMessageInfo>({
     type: tNumber(messageTypes.UPDATE_RELATIONSHIP),
     threadID: tID,
     creatorID: t.String,
     targetID: t.String,
     time: t.Number,
     operation: t.enums.of([
       'request_sent',
       'request_accepted',
       'farcaster_mutual',
     ]),
     id: tID,
   });
 
 export type UpdateRelationshipMessageInfo = {
   +type: 22,
   +id: string,
   +threadID: string,
   +creator: RelativeUserInfo,
   +target: RelativeUserInfo,
   +time: number,
   +operation: 'request_sent' | 'request_accepted' | 'farcaster_mutual',
 };