diff --git a/package-lock.json b/package-lock.json
index dcb56a2..6cb5644 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1326,14 +1326,26 @@
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     "grunt-contrib-jshint": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/grunt-contrib-jshint/-/grunt-contrib-jshint-3.1.1.tgz",
-      "integrity": "sha512-EwMY6L91FqTcMlZTVoDeeq/EZL+7MoFyo1rxIea9sxyv73geVggeE37jcUhNbu5hLbxHE82CGIUqitHuR2/q+g==",
+      "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": "~2.13.0"
+        "jshint": "~2.13.4"
+      },
+      "dependencies": {
+        "chalk": {
+          "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",
+            "supports-color": "^7.1.0"
+          }
+        }
       }
     },
     "grunt-contrib-nodeunit": {
@@ -1894,9 +1906,9 @@
       "dev": true
     },
     "jshint": {
-      "version": "2.13.1",
-      "resolved": "https://registry.npmjs.org/jshint/-/jshint-2.13.1.tgz",
-      "integrity": "sha512-vymzfR3OysF5P774x6zYv0bD4EpH6NWRxpq54wO9mA9RuY49yb1teKSICkLx2Ryx+mfzlVVNNbTBtsRtg78t7g==",
+      "version": "2.13.4",
+      "resolved": "https://registry.npmjs.org/jshint/-/jshint-2.13.4.tgz",
+      "integrity": "sha512-HO3bosL84b2qWqI0q+kpT/OpRJwo0R4ivgmxaO848+bo10rc50SkPnrtwSFXttW0ym4np8jbJvLwk5NziB7jIw==",
       "dev": true,
       "requires": {
         "cli": "~1.0.0",
@@ -1905,7 +1917,6 @@
         "htmlparser2": "3.8.x",
         "lodash": "~4.17.21",
         "minimatch": "~3.0.2",
-        "shelljs": "0.3.x",
         "strip-json-comments": "1.0.x"
       }
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@@ -2701,12 +2712,6 @@
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       "dev": true
     },
-    "shelljs": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.3.0.tgz",
-      "integrity": "sha1-NZbmMHp4FUT1kfN9phg2DzHbV7E=",
-      "dev": true
-    },
     "signal-exit": {
       "version": "3.0.5",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.5.tgz",
@@ -2714,9 +2719,9 @@
       "dev": true
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     "source-map": {
-      "version": "0.5.3",
-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.3.tgz",
-      "integrity": "sha1-gmdLhacbC+dsPnQW0V6fUlLrO+A="
+      "version": "0.5.7",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+      "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
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diff --git a/package.json b/package.json
index 6301c1e..1a61b39 100644
--- a/package.json
+++ b/package.json
@@ -20,10 +20,10 @@
     "source-map": "^0.5.3"
   },
   "devDependencies": {
-    "grunt": "^1.0.0",
+    "grunt": "^1.4.1",
     "grunt-contrib-clean": "^2.0.0",
     "grunt-contrib-internal": "^7.0.0",
-    "grunt-contrib-jshint": "^3.1.1",
+    "grunt-contrib-jshint": "^3.2.0",
     "grunt-contrib-nodeunit": "^4.0.0"
   },
   "peerDependencies": {