diff --git a/package-lock.json b/package-lock.json
index bf66e94..b098648 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -713,12 +713,12 @@
       }
     },
     "async": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
-      "integrity": "sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "dev": true,
       "requires": {
-        "lodash": "^4.14.0"
+        "lodash": "^4.17.14"
       }
     },
     "async-done": {
@@ -5155,6 +5155,24 @@
         "globule": "~0.1.0"
       }
     },
+    "generate-function": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-2.3.1.tgz",
+      "integrity": "sha512-eeB5GfMNeevm/GRYq20ShmsaGcmI81kIX2K9XQx5miC8KdHaC6Jm0qQ8ZNeGOi7wYB8OsdxKs+Y2oVuTFuVwKQ==",
+      "dev": true,
+      "requires": {
+        "is-property": "^1.0.2"
+      }
+    },
+    "generate-object-property": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/generate-object-property/-/generate-object-property-1.2.0.tgz",
+      "integrity": "sha1-nA4cQDCM6AT0eDYYuTf6iPmdUNA=",
+      "dev": true,
+      "requires": {
+        "is-property": "^1.0.0"
+      }
+    },
     "get-caller-file": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.2.tgz",
@@ -7074,9 +7092,13 @@
     },
     "is-my-json-valid": {
       "version": "2.17.1",
-      "resolved": "",
+      "resolved": "https://registry.npmjs.org/is-my-json-valid/-/is-my-json-valid-2.17.1.tgz",
+      "integrity": "sha512-Q2khNw+oBlWuaYvEEHtKSw/pCxD2L5Rc1C+UQme9X6JdRDh7m5D7HkozA0qa3DUkQ6VzCnEm8mVIQPyIRkI5sQ==",
       "dev": true,
       "requires": {
+        "generate-function": "^2.0.0",
+        "generate-object-property": "^1.1.0",
+        "jsonpointer": "^4.0.0",
         "xtend": "^4.0.0"
       }
     },
@@ -7176,6 +7198,12 @@
       "integrity": "sha1-eaKp7OfwlugPNtKy87wWwf9L8/o=",
       "dev": true
     },
+    "is-property": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
+      "integrity": "sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ=",
+      "dev": true
+    },
     "is-redirect": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-redirect/-/is-redirect-1.0.0.tgz",
@@ -7557,6 +7585,12 @@
       "resolved": "https://registry.npmjs.org/jsonparse/-/jsonparse-1.3.1.tgz",
       "integrity": "sha1-P02uSpH6wxX3EGL4UhzCOfE2YoA="
     },
+    "jsonpointer": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/jsonpointer/-/jsonpointer-4.1.0.tgz",
+      "integrity": "sha512-CXcRvMyTlnR53xMcKnuMzfCA5i/nfblTnnr74CZb6C4vG39eu6w51t7nKmU5MfLfbTgGItliNyjO/ciNPDqClg==",
+      "dev": true
+    },
     "jsprim": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
diff --git a/package.json b/package.json
index 9081615..d269915 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "jsonfile": "4.0.0"
   },
   "devDependencies": {
-    "async": "2.6.0",
+    "async": "2.6.4",
     "body-parser": "^1.6.5",
     "chai": "4.1.2",
     "chakram": "1.5.0",