diff --git a/package-lock.json b/package-lock.json
index 159c9a7..bc30dd0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -81,11 +81,12 @@
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       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-      "dev": true
+      "dev": true,
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-      "resolved": "http://registry.npmjs.org/async/-/async-0.1.22.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-0.1.22.tgz",
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@@ -203,6 +204,7 @@
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+      "optional": true,
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@@ -273,7 +275,8 @@
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@@ -287,7 +290,7 @@
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-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
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@@ -390,7 +393,8 @@
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@@ -437,7 +441,7 @@
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
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@@ -566,7 +570,7 @@
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-      "resolved": "http://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz",
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@@ -721,7 +725,7 @@
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
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@@ -746,7 +750,7 @@
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
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@@ -904,7 +908,8 @@
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@@ -942,7 +947,7 @@
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-      "resolved": "http://registry.npmjs.org/less/-/less-2.5.1.tgz",
+      "resolved": "https://registry.npmjs.org/less/-/less-2.5.1.tgz",
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@@ -965,7 +970,7 @@
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-          "resolved": "http://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz",
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@@ -975,14 +980,14 @@
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-          "resolved": "http://registry.npmjs.org/image-size/-/image-size-0.3.5.tgz",
+          "resolved": "https://registry.npmjs.org/image-size/-/image-size-0.3.5.tgz",
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-          "resolved": "http://registry.npmjs.org/promise/-/promise-6.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/promise/-/promise-6.1.0.tgz",
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@@ -992,7 +997,7 @@
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-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
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@@ -1027,7 +1032,7 @@
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-      "resolved": "http://registry.npmjs.org/lodash/-/lodash-0.9.2.tgz",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-0.9.2.tgz",
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       "dev": true,
+      "optional": true,
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@@ -1327,7 +1334,8 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -1368,7 +1376,7 @@
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-      "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
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@@ -1435,7 +1443,8 @@
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-      "dev": true
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+      "optional": true
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