diff --git a/package-lock.json b/package-lock.json
index cdfff92..7ec43fb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2245,13 +2245,10 @@
       "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
     },
     "balanced-match": {
       "version": "1.0.0",
diff --git a/package.json b/package.json
index 9d98f0a..f6da56c 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
         "@babel/preset-env": "^7.3.4",
         "@babel/register": "^7.0.0",
         "@babel/runtime": "^7.3.4",
-        "async": "^2.6.2",
+        "async": "^3.2.2",
         "bluebird": "^3.5.3",
         "chai": "^4.2.0",
         "commander": "^2.19.0",