diff --git a/package-lock.json b/package-lock.json
index 3898208..ab44edf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -131,12 +131,9 @@
       "dev": true
     },
     "async": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.4.0.tgz",
-      "integrity": "sha1-SZAgDxjqW4N8LMT4wDGmmFw4VhE=",
-      "requires": {
-        "lodash": "^4.14.0"
-      }
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g=="
     },
     "asynckit": {
       "version": "0.4.0",
@@ -1786,7 +1783,7 @@
           "dependencies": {
             "combined-stream": {
               "version": "1.0.6",
-              "resolved": "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+              "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
               "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
               "requires": {
                 "delayed-stream": "~1.0.0"
diff --git a/package.json b/package.json
index e954393..f347026 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
   },
   "homepage": "https://github.com/cmr1/node-ssl-validator#readme",
   "dependencies": {
-    "async": "^2.4.0",
+    "async": "^3.2.2",
     "aws-sdk": "^2.331.0",
     "cmr1-cli": "^0.1.13",
     "slack-node": "^0.1.8"