diff --git a/package.json b/package.json
index 57a26e7..c7c212b 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "test": "mocha --no-timeouts"
   },
   "dependencies": {
-    "async": "^1.4.2",
+    "async": "^2.0.0",
     "debug": "^2.1.1",
     "loopback-connector": "1.x",
     "stormpath": "^0.9.2"