diff --git a/lib/handlers/user-infos-handler.react.js b/lib/handlers/user-infos-handler.react.js
--- a/lib/handlers/user-infos-handler.react.js
+++ b/lib/handlers/user-infos-handler.react.js
@@ -2,10 +2,16 @@
 
 import * as React from 'react';
 
+import {
+  updateRelationships,
+  updateRelationshipsActionTypes,
+} from '../actions/relationship-actions.js';
 import {
   useFindUserIdentities,
   findUserIdentitiesActionTypes,
 } from '../actions/user-actions.js';
+import { useLegacyAshoatKeyserverCall } from '../keyserver-conn/legacy-keyserver-call.js';
+import { relationshipActions } from '../types/relationship-types.js';
 import { useDispatchActionPromise } from '../utils/redux-promise-utils.js';
 import { useSelector } from '../utils/redux-utils.js';
 import {
@@ -28,6 +34,9 @@
 
   const requestedIDsRef = React.useRef(new Set<string>());
 
+  const callUpdateRelationships =
+    useLegacyAshoatKeyserverCall(updateRelationships);
+
   React.useEffect(() => {
     const newUserIDs = Object.keys(userInfosWithMissingUsernames).filter(
       id => !requestedIDsRef.current.has(id),
@@ -35,16 +44,10 @@
     if (!usingCommServicesAccessToken || newUserIDs.length === 0) {
       return;
     }
-
+    // 1. Fetch usernames from identity
     const promise = (async () => {
       newUserIDs.forEach(id => requestedIDsRef.current.add(id));
-      // 1. Fetch usernames from identity
       const identities = await findUserIdentities(newUserIDs);
-
-      // 2. Fetch avatars and settings from auth keyserver
-      if (relyingOnAuthoritativeKeyserver) {
-        // TODO
-      }
       newUserIDs.forEach(id => requestedIDsRef.current.delete(id));
 
       const newUserInfos = [];
@@ -57,7 +60,18 @@
       return { userInfos: newUserInfos };
     })();
     void dispatchActionPromise(findUserIdentitiesActionTypes, promise);
+    // 2. Fetch avatars from auth keyserver
+    if (relyingOnAuthoritativeKeyserver) {
+      void dispatchActionPromise(
+        updateRelationshipsActionTypes,
+        callUpdateRelationships({
+          action: relationshipActions.ACKNOWLEDGE,
+          userIDs: newUserIDs,
+        }),
+      );
+    }
   }, [
+    callUpdateRelationships,
     dispatchActionPromise,
     findUserIdentities,
     userInfos,