diff --git a/package-lock.json b/package-lock.json
index df15d0c..fcceeb8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -297,12 +297,9 @@
       "dev": true
     },
     "async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
-      "requires": {
-        "lodash": "^4.17.14"
-      }
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g=="
     },
     "async-each": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index ef39eae..1d2f6b1 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   },
   "dependencies": {
     "JSONStream": "^1.2.1",
-    "async": "^2.6.3",
+    "async": "^3.2.2",
     "esprima": "^4.0.1",
     "event-stream": "^4.0.1",
     "harmony-reflect": "^1.6.1",