diff --git a/lib/types/synced-metadata-types.js b/lib/types/synced-metadata-types.js
index 2c2be150d..e3785ed75 100644
--- a/lib/types/synced-metadata-types.js
+++ b/lib/types/synced-metadata-types.js
@@ -1,23 +1,24 @@
 // @flow
 
 export type SyncedMetadata = { +[name: string]: string };
 
 export type SyncedMetadataStore = {
   +syncedMetadata: SyncedMetadata,
 };
 
 const syncedMetadataNames = Object.freeze({
   CURRENT_USER_FID: 'current_user_fid',
+  DB_VERSION: 'db_version',
 });
 type SyncedMetadataName = $Values<typeof syncedMetadataNames>;
 
 export type SetSyncedMetadataEntryPayload = {
   +name: SyncedMetadataName,
   +data: string,
 };
 
 export type ClearSyncedMetadataEntryPayload = {
   +name: SyncedMetadataName,
 };
 
 export { syncedMetadataNames };