diff --git a/package-lock.json b/package-lock.json
index f247a24..9721418 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -727,7 +727,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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@@ -1082,7 +1082,7 @@
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-          "resolved": "http://registry.npmjs.org/events/-/events-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/events/-/events-1.1.1.tgz",
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@@ -1188,7 +1188,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
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@@ -1364,6 +1364,13 @@
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       }
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+    "chownr": {
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+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==",
+      "dev": true,
+      "optional": true
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@@ -1447,7 +1454,7 @@
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-      "resolved": "http://registry.npmjs.org/color/-/color-0.11.4.tgz",
+      "resolved": "https://registry.npmjs.org/color/-/color-0.11.4.tgz",
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@@ -2909,12 +2916,6 @@
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-          "dev": true,
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@@ -4614,7 +4615,7 @@
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-      "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
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@@ -4622,7 +4623,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
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@@ -4715,7 +4716,7 @@
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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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@@ -5515,7 +5516,7 @@
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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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@@ -5972,7 +5973,7 @@
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-          "resolved": "http://registry.npmjs.org/color/-/color-1.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/color/-/color-1.0.3.tgz",
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@@ -6123,7 +6124,7 @@
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-          "resolved": "http://registry.npmjs.org/color/-/color-1.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/color/-/color-1.0.3.tgz",
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@@ -7711,7 +7712,7 @@
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-      "resolved": "http://registry.npmjs.org/reduce-css-calc/-/reduce-css-calc-1.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/reduce-css-calc/-/reduce-css-calc-1.3.0.tgz",
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@@ -8530,7 +8531,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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@@ -9122,7 +9123,7 @@
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-          "resolved": "http://registry.npmjs.org/events/-/events-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/events/-/events-1.1.1.tgz",
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