diff --git a/lib/shared/messages/update-relationship-message-spec.js b/lib/shared/messages/update-relationship-message-spec.js
--- a/lib/shared/messages/update-relationship-message-spec.js
+++ b/lib/shared/messages/update-relationship-message-spec.js
@@ -19,6 +19,10 @@
   type LegacyUpdateRelationshipMessageData,
   type LegacyUpdateRelationshipMessageInfo,
 } from '../../types/messages/legacy-update-relationship.js';
+import type {
+  RawUpdateRelationshipMessageInfo,
+  UpdateRelationshipMessageData,
+} from '../../types/messages/update-relationship.js';
 import type { ThreadInfo } from '../../types/minimally-encoded-thread-permissions-types.js';
 import type { NotifTexts } from '../../types/notif-types.js';
 import type { RelativeUserInfo } from '../../types/user-types.js';
@@ -34,7 +38,9 @@
   +messageContentForServerDB: (
     data:
       | LegacyUpdateRelationshipMessageData
-      | RawLegacyUpdateRelationshipMessageInfo,
+      | RawLegacyUpdateRelationshipMessageInfo
+      | UpdateRelationshipMessageData
+      | RawUpdateRelationshipMessageInfo,
   ) => string,
   ...
 };
@@ -44,7 +50,9 @@
     messageContentForServerDB(
       data:
         | LegacyUpdateRelationshipMessageData
-        | RawLegacyUpdateRelationshipMessageInfo,
+        | RawLegacyUpdateRelationshipMessageInfo
+        | UpdateRelationshipMessageData
+        | RawUpdateRelationshipMessageInfo,
     ): string {
       return JSON.stringify({
         operation: data.operation,