diff --git a/package-lock.json b/package-lock.json
index 77f68c34..5fe5084a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -314,19 +314,9 @@
       "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y="
     },
     "async": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-      "requires": {
-        "lodash": "^4.17.10"
-      },
-      "dependencies": {
-        "lodash": {
-          "version": "4.17.10",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
-          "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg=="
-        }
-      }
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.1.0.tgz",
+      "integrity": "sha512-4vx/aaY6j/j3Lw3fbCHNWP0pPaTCew3F6F3hYyl/tHs/ndmV1q7NW9T5yuJ2XAGwdQrP+6Wu20x06U4APo/iQQ=="
     },
     "asynckit": {
       "version": "0.4.0",
@@ -1955,6 +1945,23 @@
         "tiny-lr": "^1.1.1"
       },
       "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"
+          },
+          "dependencies": {
+            "lodash": {
+              "version": "4.17.15",
+              "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+              "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+              "dev": true
+            }
+          }
+        },
         "lodash": {
           "version": "4.17.10",
           "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
diff --git a/package.json b/package.json
index 6ab830f5..2b481aa9 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "sinon": "^3.1.0"
   },
   "dependencies": {
-    "async": "^2.6.1",
+    "async": "^3.1.0",
     "bindings": "^1.3.0",
     "block-stream2": "^1.1.0",
     "colors": "^1.3.0",