diff --git a/src/server/router/index.js b/src/server/router/index.js
index 7bac7bb..6046bf2 100644
--- a/src/server/router/index.js
+++ b/src/server/router/index.js
@@ -4,7 +4,7 @@ const _ = require('lodash')
 const lodashId = require('lodash-id')
 const low = require('lowdb')
 const Memory = require('lowdb/adapters/Memory')
-const FileSync = require('lowdb/adapters/FileSync')
+const FileAsync = require('lowdb/adapters/FileAsync')
 const bodyParser = require('../body-parser')
 const validateData = require('./validate-data')
 const plural = require('./plural')
@@ -14,7 +14,7 @@ const mixins = require('../mixins')
 
 module.exports = (db, opts = { foreignKeySuffix: 'Id' }) => {
   if (typeof db === 'string') {
-    db = low(new FileSync(db))
+    db = low(new FileAsync(db))
   } else if (!_.has(db, '__chain__') || !_.has(db, '__wrapped__')) {
     db = low(new Memory()).setState(db)
   }