diff --git a/federation/src/graphql/api/1_0/resolver/AuthenticationResolver.ts b/federation/src/graphql/api/1_0/resolver/AuthenticationResolver.ts
index b580f0a73..600e35d2c 100644
--- a/federation/src/graphql/api/1_0/resolver/AuthenticationResolver.ts
+++ b/federation/src/graphql/api/1_0/resolver/AuthenticationResolver.ts
@@ -69,6 +69,7 @@ export class AuthenticationResolver {
     if (authCom) {
       // TODO decrypt args.uuid with authCom.publicKey
       authCom.communityUuid = args.uuid
+      authCom.authenticatedAt = new Date()
       await DbCommunity.save(authCom)
       logger.debug('Authentication: store authCom.uuid successfully:', authCom)
       const homeCom = await DbCommunity.findOneByOrFail({ foreign: false })