diff --git a/package-lock.json b/package-lock.json
index 638d5733..189a2212 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -356,6 +356,15 @@
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@@ -399,6 +408,15 @@
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@@ -1775,6 +1793,29 @@
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+      "resolved": "https://registry.npmjs.org/boxen/-/boxen-1.3.0.tgz",
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@@ -1947,6 +1988,12 @@
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@@ -2276,6 +2329,12 @@
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+      "integrity": "sha1-T6kXw+WclKAEzWH47lCdplFocUM=",
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@@ -2888,6 +2947,15 @@
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@@ -2965,6 +3033,12 @@
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-      "integrity": "sha1-eha6aXKRMjQFBhcElLyD9wdv4I8=",
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@@ -3602,6 +3667,12 @@
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+      "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI=",
+      "dev": true
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@@ -4932,6 +4991,16 @@
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@@ -5021,6 +5090,16 @@
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@@ -5997,24 +6041,6 @@
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@@ -6024,6 +6050,15 @@
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-            "xtend": ">=4.0.0 <4.1.0-0"
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+        "fs-mkdirp-stream": "^1.0.0",
+        "glob-stream": "^6.1.0",
+        "graceful-fs": "^4.0.0",
+        "is-valid-glob": "^1.0.0",
+        "lazystream": "^1.0.0",
+        "lead": "^1.0.0",
+        "object.assign": "^4.0.4",
+        "pumpify": "^1.3.5",
+        "readable-stream": "^2.3.3",
+        "remove-bom-buffer": "^3.0.0",
+        "remove-bom-stream": "^1.2.0",
+        "resolve-options": "^1.1.0",
+        "through2": "^2.0.0",
+        "to-through": "^2.0.0",
+        "value-or-function": "^3.0.0",
+        "vinyl": "^2.0.0",
+        "vinyl-sourcemap": "^1.1.0"
+      }
+    },
+    "vinyl-sourcemap": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz",
+      "integrity": "sha1-kqgAWTo4cDqM2xHYswCtS+Y7PhY=",
+      "dev": true,
+      "requires": {
+        "append-buffer": "^1.0.2",
+        "convert-source-map": "^1.5.0",
+        "graceful-fs": "^4.1.6",
+        "normalize-path": "^2.1.1",
+        "now-and-later": "^2.0.0",
+        "remove-bom-buffer": "^3.0.0",
+        "vinyl": "^2.0.0"
       }
     },
     "vm-browserify": {
@@ -17732,6 +17682,15 @@
         }
       }
     },
+    "widest-line": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-2.0.0.tgz",
+      "integrity": "sha1-AUKk6KJD+IgsAjOqDgKBqnYVInM=",
+      "dev": true,
+      "requires": {
+        "string-width": "^2.1.1"
+      }
+    },
     "window-size": {
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       "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
@@ -17833,13 +17792,10 @@
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-      "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-1.0.1.tgz",
-      "integrity": "sha1-FP+PY6T9vLBdW27qIrNvMDO58E4=",
-      "dev": true,
-      "requires": {
-        "user-home": "^1.0.0"
-      }
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",
+      "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ=",
+      "dev": true
     },
     "xml-name-validator": {
       "version": "2.0.1",
diff --git a/package.json b/package.json
index c1f25846..12f5b0bd 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "jest": "21.2.1",
     "jsdom": "11.11.0",
     "json": "9.0.6",
-    "mversion": "1.10.1",
+    "mversion": "1.12.0",
     "node-sass": "4.9.0",
     "onchange": "4.0.0",
     "postcss-cli": "5.0.1",