diff --git a/lib/types/synced-metadata-types.js b/lib/types/synced-metadata-types.js
--- a/lib/types/synced-metadata-types.js
+++ b/lib/types/synced-metadata-types.js
@@ -8,6 +8,7 @@
 
 const syncedMetadataNames = Object.freeze({
   CURRENT_USER_FID: 'current_user_fid',
+  DB_VERSION: 'db_version',
 });
 type SyncedMetadataName = $Values<typeof syncedMetadataNames>;