diff --git a/package-lock.json b/package-lock.json
index 90ac4e6..2948c22 100644
--- a/package-lock.json
+++ b/package-lock.json
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+    "micromatch": {
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+      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.5.tgz",
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@@ -4739,7 +4890,8 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -4769,6 +4921,37 @@
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+      "resolved": "https://registry.npmjs.org/object.defaults/-/object.defaults-1.1.0.tgz",
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+        "array-slice": "^1.0.0",
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+      "dev": true,
+      "requires": {
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+      "resolved": "https://registry.npmjs.org/object.pick/-/object.pick-1.3.0.tgz",
+      "integrity": "sha1-h6EKxMFpS9Lhy/U1kaZhQftd10c=",
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@@ -4872,7 +5055,6 @@
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@@ -4939,6 +5121,38 @@
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+      "dev": true,
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+          "dev": true,
+          "requires": {
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+            "is-windows": "^1.0.1"
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+        "is-relative": {
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+          "resolved": "https://registry.npmjs.org/is-relative/-/is-relative-1.0.0.tgz",
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@@ -4948,6 +5162,12 @@
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@@ -5025,6 +5249,12 @@
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+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
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@@ -5276,27 +5506,6 @@
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@@ -5318,14 +5527,13 @@
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-      "integrity": "sha1-z5Fqsf1fHxbfsggi3W7H9zDCr94=",
+    "rechoir": {
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+      "resolved": "https://registry.npmjs.org/rechoir/-/rechoir-0.7.1.tgz",
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-        "indent-string": "^2.1.0",
-        "strip-indent": "^1.0.1"
+        "resolve": "^1.9.0"
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@@ -5415,15 +5623,6 @@
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@@ -5491,7 +5690,7 @@
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-              "resolved": "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+              "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
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@@ -5595,10 +5794,33 @@
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-      "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
-      "dev": true
+      "version": "1.22.0",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.0.tgz",
+      "integrity": "sha512-Hhtrw0nLeSrFQ7phPp4OOcVjLPIeMnRlr5mcnVuMe7M/7eBn98A3hmFRLoFo3DLZkivSYwhRUJTyPyWAk56WLw==",
+      "dev": true,
+      "requires": {
+        "is-core-module": "^2.8.1",
+        "path-parse": "^1.0.7",
+        "supports-preserve-symlinks-flag": "^1.0.0"
+      },
+      "dependencies": {
+        "path-parse": {
+          "version": "1.0.7",
+          "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.7.tgz",
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+          "dev": true
+        }
+      }
+    },
+    "resolve-dir": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/resolve-dir/-/resolve-dir-1.0.1.tgz",
+      "integrity": "sha1-eaQGRMNivoLybv/nOcm7U4IEb0M=",
+      "dev": true,
+      "requires": {
+        "expand-tilde": "^2.0.0",
+        "global-modules": "^1.0.0"
+      }
     },
     "resolve-from": {
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@@ -6042,15 +6264,6 @@
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-      "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
-      "dev": true,
-      "requires": {
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@@ -6076,15 +6289,6 @@
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       "dev": true
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-    "strip-indent": {
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-      "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-1.0.1.tgz",
-      "integrity": "sha1-DHlipq3vp7vUrDZkYKY4VSrhoKI=",
-      "dev": true,
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       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
@@ -6097,6 +6301,12 @@
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       "dev": true
     },
+    "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
+    },
     "table": {
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@@ -6277,6 +6487,15 @@
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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"
+      }
+    },
     "tosource": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/tosource/-/tosource-1.0.0.tgz",
@@ -6301,12 +6520,6 @@
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-      "integrity": "sha1-WIeWa7WCpFA6QetST301ARgVphM=",
-      "dev": true
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@@ -6365,14 +6578,28 @@
         "is-typedarray": "^1.0.0"
       }
     },
+    "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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-      "version": "3.3.4",
-      "resolved": "https://registry.npmjs.org/underscore.string/-/underscore.string-3.3.4.tgz",
-      "integrity": "sha1-LCo/n4PmR2L9xF5s6sZRQoZCE9s=",
+      "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"
+      },
+      "dependencies": {
+        "sprintf-js": {
+          "version": "1.1.2",
+          "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.1.2.tgz",
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+          "dev": true
+        }
       }
     },
     "unique-string": {
@@ -6537,6 +6764,15 @@
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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"
+      }
+    },
     "validate-npm-package-license": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz",
@@ -7097,4 +7333,4 @@
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   }
-}
\ No newline at end of file
+}
diff --git a/package.json b/package.json
index d5617ff..34fd6fc 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
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     "eslint-plugin-import": "^2.11.0",
     "fs-extra": "10.0.1",
-    "grunt": "^1.0.3",
+    "grunt": "^1.5.3",
     "grunt-contrib-compress": "^1.3.0",
     "grunt-webstore-upload": "^0.9.22",
     "load-grunt-tasks": "^3.5.2",