diff --git a/package-lock.json b/package-lock.json
index 6c3fda3..1a8e144 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -702,9 +702,12 @@
       "dev": true
     },
     "async": {
-      "version": "1.5.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
+      "requires": {
+        "lodash": "^4.17.14"
+      }
     },
     "async-done": {
       "version": "1.3.2",
diff --git a/package.json b/package.json
index 07036b4..12b0fd2 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "async": "^1.4.2",
+    "async": "^2.6.4",
     "aws-sdk": "^2.1.45",
     "lodash": "^4.17.15",
     "q": "^1.4.1",