diff --git a/package-lock.json b/package-lock.json
index b8ca76e..02702d7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -357,7 +357,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -376,7 +376,7 @@
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-          "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",
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@@ -969,7 +969,7 @@
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-          "resolved": "http://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
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@@ -1136,7 +1136,7 @@
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-      "resolved": "http://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
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@@ -1293,7 +1293,7 @@
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -1618,11 +1618,6 @@
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-    "json-schema": {
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-      "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
-      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM="
-    },
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@@ -1640,14 +1635,21 @@
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-      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
-      "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.2.tgz",
+      "integrity": "sha512-P2bSOMAc/ciLz6DzgjVlGJP9+BrJWu5UDGK70C2iweC5QBIeFf0ZXRvGjEj2uYgrY2MkAAhsSWHDWlFtEroZWw==",
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         "extsprintf": "1.3.0",
-        "json-schema": "0.2.3",
+        "json-schema": "0.4.0",
         "verror": "1.10.0"
+      },
+      "dependencies": {
+        "json-schema": {
+          "version": "0.4.0",
+          "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.4.0.tgz",
+          "integrity": "sha512-es94M3nTIfsEPisRafak+HDLfHXnKBhV3vU5eqPcS3flIWqcxJWgXHXiey3YrpaNsanY5ei1VoYEbOzijuq9BA=="
+        }
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@@ -1685,7 +1687,7 @@
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-      "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
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@@ -1697,7 +1699,7 @@
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -1957,6 +1959,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2281,7 +2284,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -2365,6 +2369,7 @@
           "version": "3.2.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2411,7 +2416,8 @@
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           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -2677,7 +2683,8 @@
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           "version": "1.6.1",
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-          "dev": true
+          "dev": true,
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@@ -3223,7 +3230,7 @@
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -3821,7 +3828,7 @@
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-          "resolved": "http://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz",
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@@ -3838,7 +3845,7 @@
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-          "resolved": "http://registry.npmjs.org/inquirer/-/inquirer-5.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-5.2.0.tgz",
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@@ -3874,7 +3881,7 @@
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-          "resolved": "http://registry.npmjs.org/table/-/table-4.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/table/-/table-4.0.3.tgz",
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           "dev": true,
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@@ -4177,7 +4184,7 @@
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         "strip-ansi": {
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-          "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",
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