diff --git a/package-lock.json b/package-lock.json
index a97a774..ca5f912 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -136,13 +136,10 @@
       "dev": true
     },
     "async": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
-      "integrity": "sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==",
-      "dev": true,
-      "requires": {
-        "lodash": "^4.17.11"
-      }
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g==",
+      "dev": true
     },
     "babel-code-frame": {
       "version": "6.26.0",
diff --git a/package.json b/package.json
index 459ad5c..c9dff6d 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "valid-url": "~1.0.9"
   },
   "devDependencies": {
-    "async": "^2.6.2",
+    "async": "^3.2.2",
     "chai": "^4.2.0",
     "fs.extra": "~1.3.2",
     "js-yaml": "^3.13.1",