diff --git a/package-lock.json b/package-lock.json
index ecbc6d5..2874183 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -420,6 +420,11 @@
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
       "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
     },
+    "esprima": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
+      "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
+    },
     "esutils": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz",
@@ -1780,15 +1785,6 @@
             "sshpk": "^1.7.0"
           }
         },
-        "js-yaml": {
-          "version": "3.9.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.9.0.tgz",
-          "integrity": "sha1-T/u/JcKsljuCmdx02n43QN4cGM4=",
-          "requires": {
-            "argparse": "^1.0.7",
-            "esprima": "^4.0.0"
-          }
-        },
         "mime-db": {
           "version": "1.44.0",
           "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.44.0.tgz",
@@ -3365,19 +3361,12 @@
       "optional": true
     },
     "js-yaml": {
-      "version": "3.9.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.9.0.tgz",
-      "integrity": "sha1-T/u/JcKsljuCmdx02n43QN4cGM4=",
+      "version": "3.14.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.0.tgz",
+      "integrity": "sha512-/4IbIeHcD9VMHFqDR/gQ7EdZdLimOvW2DdcxFjdyyZ9NsbS+ccrXqVWDtab/lRl5AlUqmpBx8EhPaWR+OtY17A==",
       "requires": {
         "argparse": "^1.0.7",
         "esprima": "^4.0.0"
-      },
-      "dependencies": {
-        "esprima": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.0.tgz",
-          "integrity": "sha1-RJnt3NERDgshi6zy+n9/WfVcqAQ="
-        }
       }
     },
     "jsbn": {