diff --git a/package-lock.json b/package-lock.json
index 9100997..c67d413 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "grunt": "~1.5.2",
         "grunt-cli": "~1.3.2",
         "grunt-contrib-concat": "~1.0.1",
-        "grunt-contrib-jshint": "~3.0.0",
+        "grunt-contrib-jshint": "~3.2.0",
         "grunt-contrib-uglify": "~5.0.0",
         "grunt-jscs": "~3.0.1",
         "grunt-jsduck": "~1.0.1"
@@ -410,7 +410,7 @@
     "node_modules/cli": {
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       "resolved": "https://registry.npmjs.org/cli/-/cli-1.0.1.tgz",
-      "integrity": "sha1-IoF1NPJL+klQw01TLUjsvGIbjBQ=",
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       "dev": true,
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@@ -547,7 +547,7 @@
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       "resolved": "https://registry.npmjs.org/console-browserify/-/console-browserify-1.1.0.tgz",
-      "integrity": "sha1-8CQcRXMKn8YyOyBtvzjtx0HQuxA=",
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       "dev": true,
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@@ -608,7 +608,7 @@
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-      "integrity": "sha1-6vQ5/U1ISK105cx9vvIAZyueNFs=",
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       "dev": true
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@@ -1423,14 +1423,14 @@
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-      "resolved": "https://registry.npmjs.org/grunt-contrib-jshint/-/grunt-contrib-jshint-3.0.0.tgz",
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+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/grunt-contrib-jshint/-/grunt-contrib-jshint-3.2.0.tgz",
+      "integrity": "sha512-pcXWCSZWfoMSvcV4BwH21TUtLtcX0Ms8IGuOPIcLeXK3fud9KclY7iqMKY94jFx8TxZzh028YYtpR+io8DiEaQ==",
       "dev": true,
       "dependencies": {
-        "chalk": "^4.1.0",
+        "chalk": "~4.1.2",
         "hooker": "^0.2.3",
-        "jshint": "~2.12.0"
+        "jshint": "~2.13.4"
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@@ -1452,9 +1452,9 @@
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-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
-      "integrity": "sha512-qwx12AxXe2Q5xQ43Ac//I6v5aXTipYrSESdOgzrN+9XjgEpyjpKuvSGaN4qE93f7TQTlerQQ8S+EQ0EyDoVL1A==",
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
+      "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
       "dev": true,
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@@ -2497,18 +2497,17 @@
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-      "resolved": "https://registry.npmjs.org/jshint/-/jshint-2.12.0.tgz",
-      "integrity": "sha512-TwuuaUDmra0JMkuqvqy+WGo2xGHSNjv1BA1nTIgtH2K5z1jHuAEeAgp7laaR+hLRmajRjcrM71+vByBDanCyYA==",
+      "version": "2.13.6",
+      "resolved": "https://registry.npmjs.org/jshint/-/jshint-2.13.6.tgz",
+      "integrity": "sha512-IVdB4G0NTTeQZrBoM8C5JFVLjV2KtZ9APgybDA1MK73xb09qFs0jCXyQLnCOp1cSZZZbvhq/6mfXHUTaDkffuQ==",
       "dev": true,
       "dependencies": {
         "cli": "~1.0.0",
         "console-browserify": "1.1.x",
         "exit": "0.1.x",
         "htmlparser2": "3.8.x",
-        "lodash": "~4.17.19",
+        "lodash": "~4.17.21",
         "minimatch": "~3.0.2",
-        "shelljs": "0.3.x",
         "strip-json-comments": "1.0.x"
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@@ -3530,18 +3529,6 @@
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-    "node_modules/shelljs": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.3.0.tgz",
-      "integrity": "sha1-NZbmMHp4FUT1kfN9phg2DzHbV7E=",
-      "dev": true,
-      "bin": {
-        "shjs": "bin/shjs"
-      },
-      "engines": {
-        "node": ">=0.8.0"
-      }
-    },
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       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.4.tgz",
@@ -4748,7 +4735,7 @@
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       "resolved": "https://registry.npmjs.org/cli/-/cli-1.0.1.tgz",
-      "integrity": "sha1-IoF1NPJL+klQw01TLUjsvGIbjBQ=",
+      "integrity": "sha512-41U72MB56TfUMGndAKK8vJ78eooOD4Z5NOL4xEfjc0c23s+6EYKXlXsmACBVclLP1yOfWCgEganVzddVrSNoTg==",
       "dev": true,
       "requires": {
         "exit": "0.1.2",
@@ -4868,7 +4855,7 @@
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       "resolved": "https://registry.npmjs.org/console-browserify/-/console-browserify-1.1.0.tgz",
-      "integrity": "sha1-8CQcRXMKn8YyOyBtvzjtx0HQuxA=",
+      "integrity": "sha512-duS7VP5pvfsNLDvL1O4VOEbw37AI3A4ZUQYemvDlnpGrNu9tprR7BYWpDYwC0Xia0Zxz5ZupdiIrUp0GH1aXfg==",
       "dev": true,
       "requires": {
         "date-now": "^0.1.4"
@@ -4918,7 +4905,7 @@
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       "resolved": "https://registry.npmjs.org/date-now/-/date-now-0.1.4.tgz",
-      "integrity": "sha1-6vQ5/U1ISK105cx9vvIAZyueNFs=",
+      "integrity": "sha512-AsElvov3LoNB7tf5k37H2jYSB+ZZPMT5sG2QjJCcdlV5chIv6htBUBUui2IKRjgtKAKtCBN7Zbwa+MtwLjSeNw==",
       "dev": true
     },
     "dateformat": {
@@ -5611,14 +5598,14 @@
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     "grunt-contrib-jshint": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/grunt-contrib-jshint/-/grunt-contrib-jshint-3.0.0.tgz",
-      "integrity": "sha512-o0V3HNK54+w2Lss/AP0LsAUCEmPDQIcgsDFvTy0sE8sdPXq/8vHdNdMEitK9Wcfoq7H6v02v6soiiwJ0wavT7A==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/grunt-contrib-jshint/-/grunt-contrib-jshint-3.2.0.tgz",
+      "integrity": "sha512-pcXWCSZWfoMSvcV4BwH21TUtLtcX0Ms8IGuOPIcLeXK3fud9KclY7iqMKY94jFx8TxZzh028YYtpR+io8DiEaQ==",
       "dev": true,
       "requires": {
-        "chalk": "^4.1.0",
+        "chalk": "~4.1.2",
         "hooker": "^0.2.3",
-        "jshint": "~2.12.0"
+        "jshint": "~2.13.4"
       },
       "dependencies": {
         "ansi-styles": {
@@ -5631,9 +5618,9 @@
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-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
-          "integrity": "sha512-qwx12AxXe2Q5xQ43Ac//I6v5aXTipYrSESdOgzrN+9XjgEpyjpKuvSGaN4qE93f7TQTlerQQ8S+EQ0EyDoVL1A==",
+          "version": "4.1.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
+          "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
           "dev": true,
           "requires": {
             "ansi-styles": "^4.1.0",
@@ -6387,18 +6374,17 @@
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-      "version": "2.12.0",
-      "resolved": "https://registry.npmjs.org/jshint/-/jshint-2.12.0.tgz",
-      "integrity": "sha512-TwuuaUDmra0JMkuqvqy+WGo2xGHSNjv1BA1nTIgtH2K5z1jHuAEeAgp7laaR+hLRmajRjcrM71+vByBDanCyYA==",
+      "version": "2.13.6",
+      "resolved": "https://registry.npmjs.org/jshint/-/jshint-2.13.6.tgz",
+      "integrity": "sha512-IVdB4G0NTTeQZrBoM8C5JFVLjV2KtZ9APgybDA1MK73xb09qFs0jCXyQLnCOp1cSZZZbvhq/6mfXHUTaDkffuQ==",
       "dev": true,
       "requires": {
         "cli": "~1.0.0",
         "console-browserify": "1.1.x",
         "exit": "0.1.x",
         "htmlparser2": "3.8.x",
-        "lodash": "~4.17.19",
+        "lodash": "~4.17.21",
         "minimatch": "~3.0.2",
-        "shelljs": "0.3.x",
         "strip-json-comments": "1.0.x"
       },
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@@ -7192,12 +7178,6 @@
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-    "shelljs": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.3.0.tgz",
-      "integrity": "sha1-NZbmMHp4FUT1kfN9phg2DzHbV7E=",
-      "dev": true
-    },
     "side-channel": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.4.tgz",
diff --git a/package.json b/package.json
index 75100f6..0a19155 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "grunt": "~1.5.2",
     "grunt-cli": "~1.3.2",
     "grunt-contrib-concat": "~1.0.1",
-    "grunt-contrib-jshint": "~3.0.0",
+    "grunt-contrib-jshint": "~3.2.0",
     "grunt-contrib-uglify": "~5.0.0",
     "grunt-jscs": "~3.0.1",
     "grunt-jsduck": "~1.0.1"