diff --git a/package.json b/package.json
index 640ba2e..6f7c327 100644
--- a/package.json
+++ b/package.json
@@ -216,7 +216,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.3.1",
-    "async": "^2.6.1",
+    "async": "^3.2.2",
     "debug": "^4.1.1",
     "execa": "^1.0.0",
     "glob": "^7.1.3",