diff --git a/lib/types/account-types.js b/lib/types/account-types.js
--- a/lib/types/account-types.js
+++ b/lib/types/account-types.js
@@ -114,6 +114,7 @@
   +deviceTokenUpdateRequest?: ?DeviceTokenUpdateRequest,
   +platformDetails: PlatformDetails,
   +watchedIDs: $ReadOnlyArray<string>,
+  +source?: LogInActionSource,
 };
 
 export type LogInResponse = {