diff --git a/package.json b/package.json
index c1d27cd..d6f8b4c 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "escomplex"
   ],
   "dependencies": {
-    "async": "^2.1.5",
+    "async": "^3.0.1",
     "check-types": "^7.1.5",
     "commander": "^2.9.0",
     "escomplex": "2.0.0-alpha",