diff --git a/package-lock.json b/package-lock.json
index ef7e97d..c821c6e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1636,6 +1636,12 @@
                 "delayed-stream": "~1.0.0"
             }
         },
+        "commander": {
+            "version": "2.14.1",
+            "resolved": "https://registry.npmjs.org/commander/-/commander-2.14.1.tgz",
+            "integrity": "sha512-+YR16o3rK53SmWHU3rEM3tPAh2rwb1yPcQX5irVn7mb0gXbwuCCrnkbV5+PBfETdfg1vui07nM6PCG1zndcjQw==",
+            "dev": true
+        },
         "commondir": {
             "version": "1.0.1",
             "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
@@ -2969,7 +2975,8 @@
                 "ansi-regex": {
                     "version": "2.1.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "aproba": {
                     "version": "1.2.0",
@@ -3386,7 +3393,8 @@
                 "safe-buffer": {
                     "version": "5.1.2",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "safer-buffer": {
                     "version": "2.1.2",
@@ -3442,6 +3450,7 @@
                     "version": "3.0.1",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "ansi-regex": "^2.0.0"
                     }
@@ -3485,12 +3494,14 @@
                 "wrappy": {
                     "version": "1.0.2",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "yallist": {
                     "version": "3.1.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 }
             }
         },
@@ -4497,9 +4508,9 @@
             "dev": true
         },
         "loader-utils": {
-            "version": "1.4.0",
-            "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.4.0.tgz",
-            "integrity": "sha512-qH0WSMBtn/oHuwjy/NucEgbx5dbxxnxup9s4PVXJUDHZBQY+s0NWA9rJf53RBnQZxfch7euUui7hpoAPvALZdA==",
+            "version": "1.4.2",
+            "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.4.2.tgz",
+            "integrity": "sha512-I5d00Pd/jwMD2QCduo657+YM/6L3KZu++pmX9VFncxaxvHcru9jx1lBaFft+r4Mt2jK0Yhp41XlRAihzPxHNCg==",
             "dev": true,
             "requires": {
                 "big.js": "^5.2.2",
@@ -7572,6 +7583,23 @@
                 "mime-types": "~2.1.24"
             }
         },
+        "uglify-js": {
+            "version": "git+https://github.com/mishoo/UglifyJS2.git#569757d14dbbe04f66af65d7bf0600b3a75efd96",
+            "from": "git+https://github.com/mishoo/UglifyJS2.git#harmony",
+            "dev": true,
+            "requires": {
+                "commander": "~2.14.1",
+                "source-map": "~0.6.1"
+            },
+            "dependencies": {
+                "source-map": {
+                    "version": "0.6.1",
+                    "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+                    "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+                    "dev": true
+                }
+            }
+        },
         "uglify-to-browserify": {
             "version": "1.0.2",
             "resolved": "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz",