diff --git a/package.json b/package.json
index 9d017c3..5021402 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@babel/core": "^7.0.0-beta.51",
     "@babel/plugin-proposal-export-default-from": "^7.0.0-beta.51",
     "@babel/preset-env": "^7.0.0-beta.51",
-    "async": "2.1.4",
+    "async": "2.6.4",
     "babel-eslint": "^10.0.1",
     "babel-loader": "^8.0.0-beta.4",
     "copy-webpack-plugin": "^4.5.2",