diff --git a/package-lock.json b/package-lock.json
index 1630d00..d63d4d6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1534,17 +1534,17 @@
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     },
     "grunt": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.4.0.tgz",
-      "integrity": "sha512-yRFc0GVCDu9yxqOFzpuXQ2pEdgtLDnFv5Qz54jfIcNnpJ8Z7B7P7kPkT4VMuRvm+N+QOsI8C4v/Q0DSaoj3LgQ==",
+      "version": "1.5.3",
+      "resolved": "https://registry.npmjs.org/grunt/-/grunt-1.5.3.tgz",
+      "integrity": "sha512-mKwmo4X2d8/4c/BmcOETHek675uOqw0RuA/zy12jaspWqvTp4+ZeQF1W+OTpcbncnaBsfbQJ6l0l4j+Sn/GmaQ==",
       "requires": {
         "dateformat": "~3.0.3",
         "eventemitter2": "~0.4.13",
         "exit": "~0.1.2",
         "findup-sync": "~0.3.0",
         "glob": "~7.1.6",
-        "grunt-cli": "~1.4.2",
-        "grunt-known-options": "~1.1.1",
+        "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": "~0.4.13",
@@ -1553,6 +1553,36 @@
         "mkdirp": "~1.0.4",
         "nopt": "~3.0.6",
         "rimraf": "~3.0.2"
+      },
+      "dependencies": {
+        "grunt-cli": {
+          "version": "1.4.3",
+          "resolved": "https://registry.npmjs.org/grunt-cli/-/grunt-cli-1.4.3.tgz",
+          "integrity": "sha512-9Dtx/AhVeB4LYzsViCjUQkd0Kw0McN2gYpdmGYKtE2a5Yt7v1Q+HYZVWhqXc/kGnxlMtqKDxSwotiGeFmkrCoQ==",
+          "requires": {
+            "grunt-known-options": "~2.0.0",
+            "interpret": "~1.1.0",
+            "liftup": "~3.0.1",
+            "nopt": "~4.0.1",
+            "v8flags": "~3.2.0"
+          },
+          "dependencies": {
+            "nopt": {
+              "version": "4.0.3",
+              "resolved": "https://registry.npmjs.org/nopt/-/nopt-4.0.3.tgz",
+              "integrity": "sha512-CvaGwVMztSMJLOeXPrez7fyfObdZqNUK1cPAEzLHrTybIua9pMdmmPR5YwtfNftIOMv3DPUhFaxsZMNTQO20Kg==",
+              "requires": {
+                "abbrev": "1",
+                "osenv": "^0.1.4"
+              }
+            }
+          }
+        },
+        "grunt-known-options": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/grunt-known-options/-/grunt-known-options-2.0.0.tgz",
+          "integrity": "sha512-GD7cTz0I4SAede1/+pAbmJRG44zFLPipVtdL9o3vqx9IEyb7b4/Y3s7r6ofI3CchR5GvYJ+8buCSioDv5dQLiA=="
+        }
       }
     },
     "grunt-check-modules": {
diff --git a/package.json b/package.json
index 25707c4..70b079a 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   "dependencies": {
     "cheerio": "0.22.0",
     "download.jqueryui.com": "2.2.6",
-    "grunt": "1.4.0",
+    "grunt": "1.5.3",
     "grunt-cli": "1.4.2",
     "grunt-jquery-content": "3.1.0"
   }