diff --git a/package-lock.json b/package-lock.json
index 5e9fa23..af052b3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1278,7 +1278,7 @@
                 },
                 "util": {
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-                    "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=",
                     "dev": true,
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@@ -1730,7 +1730,7 @@
             "dependencies": {
                 "callsites": {
                     "version": "2.0.0",
-                    "resolved": "http://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz",
+                    "resolved": "https://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz",
                     "integrity": "sha1-BuuE8A7qQT2oav/vrL/7Ngk7PFA=",
                     "dev": true
                 }
@@ -3010,7 +3010,7 @@
                 },
                 "doctrine": {
                     "version": "1.5.0",
-                    "resolved": "http://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
+                    "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
                     "integrity": "sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=",
                     "dev": true,
                     "requires": {
@@ -4953,7 +4953,7 @@
         },
         "json5": {
             "version": "1.0.1",
-            "resolved": "http://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
+            "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
             "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
             "dev": true,
             "requires": {
@@ -5613,7 +5613,7 @@
         },
         "pako": {
             "version": "0.2.9",
-            "resolved": "http://registry.npmjs.org/pako/-/pako-0.2.9.tgz",
+            "resolved": "https://registry.npmjs.org/pako/-/pako-0.2.9.tgz",
             "integrity": "sha1-8/dSL073gjSNqBYbrZ7P1Rv4OnU=",
             "dev": true
         },
@@ -6603,7 +6603,7 @@
             "dependencies": {
                 "jsesc": {
                     "version": "0.5.0",
-                    "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+                    "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
                     "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
                     "dev": true
                 }
@@ -8131,9 +8131,9 @@
             "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==",
+            "version": "4.0.1",
+            "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
+            "integrity": "sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==",
             "dev": true
         },
         "yargs": {