diff --git a/package-lock.json b/package-lock.json
index 6834c426..1f754836 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1925,7 +1925,7 @@
     "eventemitter2": {
       "version": "0.4.14",
       "resolved": "https://registry.npmjs.org/eventemitter2/-/eventemitter2-0.4.14.tgz",
-      "integrity": "sha1-j2G3XN4BKy6esoTUVFWDtWQ7Yas=",
+      "integrity": "sha512-K7J4xq5xAD5jHsGM5ReWXRTFa3JRGofHiMcVgQ8PRwgWxzjHpMWCIzsmyf60+mh8KLsqYPcjUMa0AC4hd6lPyQ==",
       "dev": true
     },
     "eventemitter3": {
@@ -2325,7 +2325,7 @@
     "findup-sync": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/findup-sync/-/findup-sync-0.3.0.tgz",
-      "integrity": "sha1-N5MKpdgWt3fANEXhlmzGeQpMCxY=",
+      "integrity": "sha512-z8Nrwhi6wzxNMIbxlrTzuUW6KWuKkogZ/7OdDVq+0+kxn77KUH1nipx8iU6suqkHqc4y6n7a9A8IpmxY/pTjWg==",
       "dev": true,
       "requires": {
         "glob": "~5.0.0"
@@ -2334,7 +2334,7 @@
         "glob": {
           "version": "5.0.15",
           "resolved": "https://registry.npmjs.org/glob/-/glob-5.0.15.tgz",
-          "integrity": "sha1-G8k2ueAvSmA/zCIuz3Yz0wuLk7E=",
+          "integrity": "sha512-c9IPMazfRITpmAAKi22dK1VKxGDX9ehhqfABDriL/lzO92xcUKEJPQHrVA/2YHSNFB4iFlykVmWvwo48nr3OxA==",
           "dev": true,
           "requires": {
             "inflight": "^1.0.4",
@@ -3053,9 +3053,9 @@
       "dev": true
     },
     "grunt": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.4.1.tgz",
-      "integrity": "sha512-ZXIYXTsAVrA7sM+jZxjQdrBOAg7DyMUplOMhTaspMRExei+fD0BTwdWXnn0W5SXqhb/Q/nlkzXclSi3IH55PIA==",
+      "version": "1.5.3",
+      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.5.3.tgz",
+      "integrity": "sha512-mKwmo4X2d8/4c/BmcOETHek675uOqw0RuA/zy12jaspWqvTp4+ZeQF1W+OTpcbncnaBsfbQJ6l0l4j+Sn/GmaQ==",
       "dev": true,
       "requires": {
         "dateformat": "~3.0.3",
@@ -3063,7 +3063,7 @@
         "exit": "~0.1.2",
         "findup-sync": "~0.3.0",
         "glob": "~7.1.6",
-        "grunt-cli": "~1.4.2",
+        "grunt-cli": "~1.4.3",
         "grunt-known-options": "~2.0.0",
         "grunt-legacy-log": "~3.0.0",
         "grunt-legacy-util": "~2.0.1",
@@ -3481,9 +3481,9 @@
       },
       "dependencies": {
         "async": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/async/-/async-3.2.1.tgz",
-          "integrity": "sha512-XdD5lRO/87udXCMC9meWdYiR+Nq6ZjUfXidViUZGu2F1MO4T3XwZ1et0hb2++BgLfhyJwy44BGB/yx80ABx8hg==",
+          "version": "3.2.4",
+          "resolved": "https://registry.npmjs.org/async/-/async-3.2.4.tgz",
+          "integrity": "sha512-iAB+JbDEGXhyIUavoDl9WP/Jj106Kz9DEn1DPgYw5ruDn0e3Wgi3sKFm55sASdGBNOQB8F59d9qQ7deqrHA8wQ==",
           "dev": true
         },
         "which": {
@@ -5088,7 +5088,7 @@
     "interpret": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.1.0.tgz",
-      "integrity": "sha1-ftGxQQxqDg94z5XTuEQMY/eLhhQ=",
+      "integrity": "sha512-CLM8SNMDu7C5psFCn6Wg/tgpj/bKAg7hc2gWqcuR9OD5Ft9PhBpIu8PLicPeis+xDd6YX2ncI8MCA64I9tftIA==",
       "dev": true
     },
     "intersect": {
@@ -5167,9 +5167,9 @@
       }
     },
     "is-core-module": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/is-core-module/-/is-core-module-2.6.0.tgz",
-      "integrity": "sha512-wShG8vs60jKfPWpF2KZRaAtvt3a20OAn7+IJ6hLPECpSABLcKtFKTTI4ZtH5QcBruBHlq+WsdHWyz0BCZW7svQ==",
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/is-core-module/-/is-core-module-2.10.0.tgz",
+      "integrity": "sha512-Erxj2n/LDAZ7H8WNJXd9tw38GYM3dv8rk8Zcs+jJuxYTW7sozH+SS8NtrSjVL1/vpLvWi1hxy96IzjJ3EHTJJg==",
       "dev": true,
       "requires": {
         "has": "^1.0.3"
@@ -5578,13 +5578,14 @@
           }
         },
         "resolve": {
-          "version": "1.20.0",
-          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.20.0.tgz",
-          "integrity": "sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==",
+          "version": "1.22.1",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.1.tgz",
+          "integrity": "sha512-nBpuuYuY5jFsli/JIs1oldw6fOQCBioohqWZg/2hiaOybXOft4lonv85uDOKXdf8rhyK159cxU5cDcK/NKk8zw==",
           "dev": true,
           "requires": {
-            "is-core-module": "^2.2.0",
-            "path-parse": "^1.0.6"
+            "is-core-module": "^2.9.0",
+            "path-parse": "^1.0.7",
+            "supports-preserve-symlinks-flag": "^1.0.0"
           }
         }
       }
@@ -8587,6 +8588,12 @@
         "has-flag": "^3.0.0"
       }
     },
+    "supports-preserve-symlinks-flag": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
+      "integrity": "sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==",
+      "dev": true
+    },
     "sver-compat": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/sver-compat/-/sver-compat-1.5.0.tgz",
@@ -9007,12 +9014,12 @@
       "dev": true
     },
     "underscore.string": {
-      "version": "3.3.5",
-      "resolved": "https://registry.npmjs.org/underscore.string/-/underscore.string-3.3.5.tgz",
-      "integrity": "sha512-g+dpmgn+XBneLmXXo+sGlW5xQEt4ErkS3mgeN2GFbremYeMBSJKr9Wf2KJplQVaiPY/f7FN6atosWYNm9ovrYg==",
+      "version": "3.3.6",
+      "resolved": "https://registry.npmjs.org/underscore.string/-/underscore.string-3.3.6.tgz",
+      "integrity": "sha512-VoC83HWXmCrF6rgkyxS9GHv8W9Q5nhMKho+OadDJGzL2oDYbYEppBaCMH6pFlwLeqj2QS+hhkw2kpXkSdD1JxQ==",
       "dev": true,
       "requires": {
-        "sprintf-js": "^1.0.3",
+        "sprintf-js": "^1.1.1",
         "util-deprecate": "^1.0.2"
       }
     },
diff --git a/package.json b/package.json
index c3f980c0..63ac4565 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "devDependencies": {
     "autoprefixer": "^7.1.6",
     "browser-sync": "^2.27.5",
-    "grunt": "^1.4.1",
+    "grunt": "^1.5.3",
     "grunt-bower-task": "^0.5.0",
     "grunt-checktextdomain": "~1.0.0",
     "grunt-contrib-compress": "^1.4.3",