diff --git a/package-lock.json b/package-lock.json
index 64881ad..68ff208 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4005,12 +4005,6 @@
           "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
           "dev": true
         },
-        "y18n": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-          "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
-          "dev": true
-        },
         "yargs": {
           "version": "13.2.2",
           "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.2.tgz",
@@ -5715,7 +5709,7 @@
     },
     "util": {
       "version": "0.10.3",
-      "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+      "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
       "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
       "requires": {
         "inherits": "2.0.1"
@@ -5918,9 +5912,9 @@
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
     },
     "y18n": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
+      "integrity": "sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==",
       "dev": true
     },
     "yallist": {