diff --git a/package-lock.json b/package-lock.json
index 7e82b0580..68a2635bc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2,6 +2,7 @@
   "name": "www.appveyor.com",
   "version": "1.0.0",
   "lockfileVersion": 1,
+  "requires": true,
   "dependencies": {
     "abab": {
       "version": "1.0.3",
@@ -1011,25 +1012,14 @@
       }
     },
     "grunt-contrib-uglify": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/grunt-contrib-uglify/-/grunt-contrib-uglify-3.0.1.tgz",
-      "integrity": "sha1-/etfk4pMgEL46Grkb2NVTo6VEcs=",
-      "dependencies": {
-        "gzip-size": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/gzip-size/-/gzip-size-1.0.0.tgz",
-          "integrity": "sha1-Zs+LEBBHInuVus5uodoMF37Vwi8="
-        },
-        "maxmin": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/maxmin/-/maxmin-1.1.0.tgz",
-          "integrity": "sha1-cTZehKmd2Piz99X94vANHn9zvmE="
-        },
-        "pretty-bytes": {
-          "version": "1.0.4",
-          "resolved": "https://registry.npmjs.org/pretty-bytes/-/pretty-bytes-1.0.4.tgz",
-          "integrity": "sha1-CiLoIQYJrTVUL4yNXSFZr/B1HIQ="
-        }
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/grunt-contrib-uglify/-/grunt-contrib-uglify-3.3.0.tgz",
+      "integrity": "sha512-W9O7lJE3PlD8VCc5fyaf98QV7f5wEDiU4PBIh0+/6UBbk2LhgzEFS0/p+taH5UD3+PlEn7QPN0o06Z0To6SqXw==",
+      "requires": {
+        "chalk": "1.1.3",
+        "maxmin": "2.1.0",
+        "uglify-js": "3.0.18",
+        "uri-path": "1.0.0"
       }
     },
     "grunt-contrib-watch": {
@@ -2147,16 +2137,16 @@
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz",
       "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
     },
-    "string_decoder": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.2.tgz",
-      "integrity": "sha1-sp4fThEl+pehA4K4pTNze3SR4Xk="
-    },
     "string-width": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.0.0.tgz",
       "integrity": "sha1-Y1xUNsxypuDDh87KJ41OLuxSaH4="
     },
+    "string_decoder": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.2.tgz",
+      "integrity": "sha1-sp4fThEl+pehA4K4pTNze3SR4Xk="
+    },
     "stringstream": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.5.tgz",
diff --git a/package.json b/package.json
index 4e8eee01d..4b61b9fbe 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "grunt-contrib-csslint": "^2.0.0",
     "grunt-contrib-cssmin": "^2.0.0",
     "grunt-contrib-htmlmin": "^2.0.0",
-    "grunt-contrib-uglify": "^3.0.0",
+    "grunt-contrib-uglify": "^3.3.0",
     "grunt-contrib-watch": "^1.0.0",
     "grunt-eslint": "^20.0.0",
     "grunt-filerev": "^2.3.1",