diff --git a/package-lock.json b/package-lock.json
index 8f68ec7..310db11 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -321,6 +321,12 @@
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+          "integrity": "sha512-EohAb3+DSHSGx8carOSKJe8G0ayV5/i609OD0J2orCkuyae7SyZSz2aoLmQF2s0Pj5gITDebwPH7GFBlqOUQ1Q=="
+        },
         "qs": {
           "version": "0.5.6",
           "resolved": "https://registry.npmjs.org/qs/-/qs-0.5.6.tgz",
@@ -4408,6 +5026,15 @@
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       "dev": true
     },
+    "to-regex-range": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "dev": true,
+      "requires": {
+        "is-number": "^7.0.0"
+      }
+    },
     "touch": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/touch/-/touch-0.0.2.tgz",
@@ -4537,6 +5164,12 @@
         }
       }
     },
+    "unc-path-regex": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
+      "integrity": "sha512-eXL4nmJT7oCpkZsHZUOJo8hcX3GbsiDOa0Qu9F646fi8dT3XuSVopVqAcEiVzSKKH7UoDti23wNX3qGFxcW5Qg==",
+      "dev": true
+    },
     "underscore": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.7.0.tgz",
@@ -4737,6 +5370,15 @@
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       "dev": true
     },
+    "v8flags": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-3.2.0.tgz",
+      "integrity": "sha512-mH8etigqMfiGWdeXpaaqGfs6BndypxusHHcv2qSHyZkGEznCd/qAXCWWRzeowtL54147cktFOC4P5y+kl8d8Jg==",
+      "dev": true,
+      "requires": {
+        "homedir-polyfill": "^1.0.1"
+      }
+    },
     "vm-browserify": {
       "version": "0.0.4",
       "resolved": "https://registry.npmjs.org/vm-browserify/-/vm-browserify-0.0.4.tgz",
diff --git a/package.json b/package.json
index 4bd63dc..1123636 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "http-server": "~0.6.1",
     "bower": "1.3.8",
     "grunt-contrib-copy": "~0.4.1",
-    "grunt": "~0.4.2",
+    "grunt": "~1.5.3",
     "browserify": "~3.44.2",
     "grunt-browserify": "~1.3.0",
     "grunt-contrib-clean": "~0.5.0",