diff --git a/package-lock.json b/package-lock.json
index b36e165..3eb6855 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -666,6 +666,24 @@
         "strip-json-comments": "~2.0.1",
         "table": "^4.0.1",
         "text-table": "~0.2.0"
+      },
+      "dependencies": {
+        "esprima": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
+          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
+          "dev": true
+        },
+        "js-yaml": {
+          "version": "3.14.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+          "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+          "dev": true,
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        }
       }
     },
     "eslint-config-standard": {
@@ -1564,18 +1582,17 @@
       "dev": true
     },
     "js-yaml": {
-      "version": "3.8.4",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.8.4.tgz",
-      "integrity": "sha1-UgtFZPhlc7qWZir4Woyvp7S1pvY=",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
+      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
       "requires": {
-        "argparse": "^1.0.7",
-        "esprima": "^3.1.1"
+        "argparse": "^2.0.1"
       },
       "dependencies": {
-        "esprima": {
-          "version": "3.1.3",
-          "resolved": "https://registry.npmjs.org/esprima/-/esprima-3.1.3.tgz",
-          "integrity": "sha1-/cpRzuYTOJXjyI1TXOSdv/YqRjM="
+        "argparse": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="
         }
       }
     },
@@ -2487,6 +2504,14 @@
       "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
       "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA="
     },
+    "string_decoder": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.1.tgz",
+      "integrity": "sha1-YuIA8DmVWmgQ2N8KM//A8BNmLZg=",
+      "requires": {
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "string-width": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.0.0.tgz",
@@ -2497,14 +2522,6 @@
         "strip-ansi": "^3.0.0"
       }
     },
-    "string_decoder": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.1.tgz",
-      "integrity": "sha1-YuIA8DmVWmgQ2N8KM//A8BNmLZg=",
-      "requires": {
-        "safe-buffer": "^5.0.1"
-      }
-    },
     "stringstream": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.5.tgz",
diff --git a/package.json b/package.json
index 9dc064d..f40738d 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "grunt-zip": "^0.17.1",
     "hoek": "^5.0.3",
     "ip": "^1.1.5",
-    "js-yaml": "^3.8.4",
+    "js-yaml": "^4.1.1",
     "mkdirp": "^0.5.1",
     "ncp": "^2.0.0",
     "node-ssdp": "^3.2.1",