diff --git a/package-lock.json b/package-lock.json
index b293a66..32a7339 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,12 @@
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+      "resolved": "https://registry.npmjs.org/require_optional/-/require_optional-1.0.1.tgz",
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@@ -4344,6 +4739,16 @@
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+      "integrity": "sha1-eaQGRMNivoLybv/nOcm7U4IEb0M=",
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@@ -4580,12 +4985,6 @@
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@@ -4758,6 +5149,14 @@
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+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
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@@ -4838,7 +5237,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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@@ -4881,6 +5280,12 @@
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+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
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+    },
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@@ -4917,6 +5322,15 @@
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+      "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"
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       "resolved": "https://registry.npmjs.org/to-single-quotes/-/to-single-quotes-1.0.4.tgz",
@@ -4976,7 +5390,7 @@
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-          "resolved": "http://registry.npmjs.org/uglify-js/-/uglify-js-2.2.5.tgz",
+          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.2.5.tgz",
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@@ -5074,6 +5488,12 @@
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       "integrity": "sha1-SDEm4Rd03y9xuLY53NeZw3YWK4I="
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+    "unc-path-regex": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
+      "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.6.0.tgz",
@@ -5081,10 +5501,22 @@
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-      "integrity": "sha1-18D6KvXVoaZ/QlPa7pgTLnM/Dxk=",
-      "dev": true
+      "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": "^1.1.1",
+        "util-deprecate": "^1.0.2"
+      },
+      "dependencies": {
+        "sprintf-js": {
+          "version": "1.1.2",
+          "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.1.2.tgz",
+          "integrity": "sha512-VE0SOVEHCk7Qc8ulkWw3ntAzXuqf7S2lvwQaDLRnUeIEaKNQJzV6BwmLKhOqT61aGhfUMrXeaBk+oDGCzvhcug==",
+          "dev": true
+        }
+      }
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     "unicode-5.2.0": {
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@@ -5157,6 +5589,15 @@
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     },
+    "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"
+      }
+    },
     "validate-npm-package-license": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
@@ -5228,10 +5669,13 @@
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-      "integrity": "sha1-RgwdoPgQED0DIam2M6+eV15kSG8=",
-      "dev": true
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+      "dev": true,
+      "requires": {
+        "isexe": "^2.0.0"
+      }
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@@ -5246,7 +5690,7 @@
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-      "resolved": "http://registry.npmjs.org/winston/-/winston-2.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/winston/-/winston-2.1.1.tgz",
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@@ -5278,7 +5722,7 @@
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-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-1.2.2.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-1.2.2.tgz",
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@@ -5382,7 +5826,7 @@
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.2.0.tgz",
           "integrity": "sha1-S/UKMkP5rrC6xBpV09WZBnWkYvs="
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diff --git a/package.json b/package.json
index 01aad66..8d152a4 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "assert": "*",
     "confidence": "*",
     "coveralls": "*",
-    "grunt": "^0.4.5",
+    "grunt": "^1.5.3",
     "handlebars": "*",
     "istanbul": "*",
     "jquery": "*",