diff --git a/package-lock.json b/package-lock.json
index b3c5781..4af08c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -298,7 +298,7 @@
     },
     "async": {
       "version": "1.5.2",
-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
       "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
       "dev": true
     },
@@ -351,7 +351,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -1049,7 +1049,7 @@
     },
     "es6-promise": {
       "version": "0.1.2",
-      "resolved": "http://registry.npmjs.org/es6-promise/-/es6-promise-0.1.2.tgz",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-0.1.2.tgz",
       "integrity": "sha1-8RLCn+paCZhTn8tqL9IUQ9KPBfc=",
       "dev": true
     },
@@ -2168,7 +2168,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -2251,7 +2251,7 @@
       "dependencies": {
         "rimraf": {
           "version": "2.2.6",
-          "resolved": "http://registry.npmjs.org/rimraf/-/rimraf-2.2.6.tgz",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.2.6.tgz",
           "integrity": "sha1-xZWXVpsU2VatKcrMQr3d9fDqT0w=",
           "dev": true
         }
@@ -4220,11 +4220,6 @@
             "signal-exit": "^3.0.2"
           }
         },
-        "y18n": {
-          "version": "4.0.0",
-          "bundled": true,
-          "dev": true
-        },
         "yallist": {
           "version": "2.1.2",
           "bundled": true,
@@ -5102,7 +5097,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "requires": {
         "ansi-regex": "^2.0.0"
@@ -5566,9 +5561,9 @@
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
     },
     "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==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
+      "integrity": "sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==",
       "dev": true
     },
     "yargs": {