diff --git a/services/document-updater/app/coffee/HistoryManager.coffee b/services/document-updater/app/coffee/HistoryManager.coffee
index 9f78b5af4b..c3675f4018 100644
--- a/services/document-updater/app/coffee/HistoryManager.coffee
+++ b/services/document-updater/app/coffee/HistoryManager.coffee
@@ -1,7 +1,6 @@
 settings = require "settings-sharelatex"
 request  = require "request"
 logger = require "logger-sharelatex"
-async = require "async"
 HistoryRedisManager = require "./HistoryRedisManager"
 
 module.exports = HistoryManager =
diff --git a/services/document-updater/app/coffee/HistoryRedisManager.coffee b/services/document-updater/app/coffee/HistoryRedisManager.coffee
index 0ac8723359..d9a99a09aa 100644
--- a/services/document-updater/app/coffee/HistoryRedisManager.coffee
+++ b/services/document-updater/app/coffee/HistoryRedisManager.coffee
@@ -1,7 +1,6 @@
 Settings = require('settings-sharelatex')
 rclient = require("redis-sharelatex").createClient(Settings.redis.history)
 Keys = Settings.redis.history.key_schema
-async = require "async"
 logger = require('logger-sharelatex')
 
 module.exports = HistoryRedisManager =
diff --git a/services/document-updater/app/coffee/RedisManager.coffee b/services/document-updater/app/coffee/RedisManager.coffee
index b873f9bd6a..ccb82a1ab6 100644
--- a/services/document-updater/app/coffee/RedisManager.coffee
+++ b/services/document-updater/app/coffee/RedisManager.coffee
@@ -1,5 +1,4 @@
 Settings = require('settings-sharelatex')
-async = require('async')
 rclient = require("redis-sharelatex").createClient(Settings.redis.documentupdater)
 _ = require('underscore')
 logger = require('logger-sharelatex')
diff --git a/services/document-updater/app/coffee/ShareJsUpdateManager.coffee b/services/document-updater/app/coffee/ShareJsUpdateManager.coffee
index 3ec90e4f62..a5cc6070cb 100644
--- a/services/document-updater/app/coffee/ShareJsUpdateManager.coffee
+++ b/services/document-updater/app/coffee/ShareJsUpdateManager.coffee
@@ -1,6 +1,5 @@
 ShareJsModel = require "./sharejs/server/model"
 ShareJsDB = require "./ShareJsDB"
-async = require "async"
 logger = require "logger-sharelatex"
 Settings = require('settings-sharelatex')
 Keys = require "./UpdateKeys"
diff --git a/services/document-updater/package.json b/services/document-updater/package.json
index 3436da467d..3854e78158 100644
--- a/services/document-updater/package.json
+++ b/services/document-updater/package.json
@@ -7,7 +7,7 @@
     "url": "https://github.com/sharelatex/document-updater-sharelatex.git"
   },
   "dependencies": {
-    "async": "2.0.0-rc.5",
+    "async": "^2.5.0",
     "coffee-script": "1.4.0",
     "express": "3.3.4",
     "ioredis": "^3.1.4",