diff --git a/package-lock.json b/package-lock.json
index 5457831..24eaa70 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -241,13 +241,10 @@
       "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
     },
     "asynckit": {
       "version": "0.4.0",
@@ -1204,7 +1201,7 @@
       "dependencies": {
         "domelementtype": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
           "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=",
           "dev": true
         },
@@ -1276,7 +1273,7 @@
     },
     "entities": {
       "version": "1.0.0",
-      "resolved": "http://registry.npmjs.org/entities/-/entities-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-1.0.0.tgz",
       "integrity": "sha1-sph6o4ITR/zeZCsk/fyeT7cSvyY=",
       "dev": true
     },
@@ -2284,7 +2281,7 @@
         },
         "readable-stream": {
           "version": "1.1.14",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "dev": true,
           "requires": {
@@ -3355,7 +3352,7 @@
       "dependencies": {
         "progress": {
           "version": "1.1.8",
-          "resolved": "http://registry.npmjs.org/progress/-/progress-1.1.8.tgz",
+          "resolved": "https://registry.npmjs.org/progress/-/progress-1.1.8.tgz",
           "integrity": "sha1-4mDHj2Fhzdmw5WzD4Khd4Xx6V74=",
           "dev": true,
           "optional": true
@@ -4242,7 +4239,7 @@
       "dependencies": {
         "async": {
           "version": "1.0.0",
-          "resolved": "http://registry.npmjs.org/async/-/async-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.0.0.tgz",
           "integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k=",
           "dev": true,
           "optional": true
diff --git a/package.json b/package.json
index 4887117..025f25e 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "when": "~3.7"
   },
   "devDependencies": {
-    "async": "^2.0.1",
+    "async": "^3.2.2",
     "babel-eslint": "^8.2.6",
     "chai": "*",
     "debug": "~3.1.0",