diff --git a/package-lock.json b/package-lock.json
index 23b0f12..90dec01 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -151,13 +151,10 @@
       "dev": true
     },
     "async": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-      "dev": true,
-      "requires": {
-        "lodash": "^4.17.10"
-      }
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g==",
+      "dev": true
     },
     "async-each": {
       "version": "1.0.1",
@@ -2007,6 +2004,17 @@
         "rc": ">=0.5.5",
         "semver": ">=4.3.1",
         "underscore.string": ">=2.3.3"
+      },
+      "dependencies": {
+        "async": {
+          "version": "2.6.3",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
+          "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+          "dev": true,
+          "requires": {
+            "lodash": "^4.17.14"
+          }
+        }
       }
     },
     "grunt-known-options": {
diff --git a/package.json b/package.json
index 0f6e423..c87c89a 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "winston": "^2.4.2"
   },
   "devDependencies": {
-    "async": "^2.6.0",
+    "async": "^3.2.2",
     "chai": "^4.1.2",
     "chai-as-promised": "^7.1.1",
     "express": "^4.16.3",