diff --git a/package-lock.json b/package-lock.json
index b433dfe..b6b0ed1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "dependencies": {
         "cheerio": "1.0.0",
         "download.jqueryui.com": "2.5.0",
-        "grunt": "1.6.1",
+        "grunt": "1.6.2",
         "grunt-jquery-content": "3.3.2"
       }
     },
@@ -1789,9 +1789,9 @@
       "license": "ISC"
     },
     "node_modules/grunt": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.6.1.tgz",
-      "integrity": "sha512-/ABUy3gYWu5iBmrUSRBP97JLpQUm0GgVveDCp6t3yRNIoltIYw7rEj3g5y1o2PGPR2vfTRGa7WC/LZHLTXnEzA==",
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.6.2.tgz",
+      "integrity": "sha512-bUzh5nA/P5L66ihXTDP6J5BGnMB/8lXJXejYWSbH4Y4TvWM9t2S39sggQDYYQlx06cYcCsmu63HMYHGCIzUVfg==",
       "license": "MIT",
       "dependencies": {
         "dateformat": "~4.6.2",
@@ -1799,14 +1799,14 @@
         "exit": "~0.1.2",
         "findup-sync": "~5.0.0",
         "glob": "~7.1.6",
-        "grunt-cli": "~1.4.3",
+        "grunt-cli": "^1.4.3",
         "grunt-known-options": "~2.0.0",
         "grunt-legacy-log": "~3.0.0",
         "grunt-legacy-util": "~2.0.1",
         "iconv-lite": "~0.6.3",
         "js-yaml": "~3.14.0",
-        "minimatch": "~3.0.4",
-        "nopt": "~3.0.6"
+        "minimatch": "^3.1.5",
+        "nopt": "^5.0.0"
       },
       "bin": {
         "grunt": "bin/grunt"
@@ -2572,9 +2572,9 @@
       }
     },
     "node_modules/minimatch": {
-      "version": "3.0.8",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.8.tgz",
-      "integrity": "sha512-6FsRAQsxQ61mw+qP1ZzbL9Bc78x2p5OqNgNpnoAFLTrX8n5Kxph0CsnhmKKNXTWjXqU5L0pGPR7hYk+XWZr60Q==",
+      "version": "3.1.5",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.5.tgz",
+      "integrity": "sha512-VgjWUsnnT6n+NUk6eZq77zeFdpW2LWDzP6zFGrCbHXiYNul5Dzqk2HHQ5uFH2DNW5Xbp8+jVzaeNt94ssEEl4w==",
       "license": "ISC",
       "dependencies": {
         "brace-expansion": "^1.1.7"
@@ -2632,15 +2632,18 @@
       }
     },
     "node_modules/nopt": {
-      "version": "3.0.6",
-      "resolved": "https://registry.npmjs.org/nopt/-/nopt-3.0.6.tgz",
-      "integrity": "sha512-4GUt3kSEYmk4ITxzB/b9vaIDfUVWN/Ml1Fwl11IlnIG2iaJ9O6WXZ9SrYM9NLI8OCBieN2Y8SWC2oJV0RQ7qYg==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-5.0.0.tgz",
+      "integrity": "sha512-Tbj67rffqceeLpcRXrT7vKAN8CwfPeIBgM7E6iBkmKLV7bEMwpGgYLGv0jACUsECaa/vuxP0IjEont6umdMgtQ==",
       "license": "ISC",
       "dependencies": {
         "abbrev": "1"
       },
       "bin": {
         "nopt": "bin/nopt.js"
+      },
+      "engines": {
+        "node": ">=6"
       }
     },
     "node_modules/normalize-path": {
diff --git a/package.json b/package.json
index 75aba3c..008a2a3 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "dependencies": {
     "cheerio": "1.0.0",
     "download.jqueryui.com": "2.5.0",
-    "grunt": "1.6.1",
+    "grunt": "1.6.2",
     "grunt-jquery-content": "3.3.2"
   }
 }