diff --git a/package-lock.json b/package-lock.json
index 7edc44c..47a483e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1397,6 +1397,11 @@
         "webpack-sources": "1.3.0"
       }
     },
+    "@pdftron/webviewer": {
+      "version": "6.3.6",
+      "resolved": "https://registry.npmjs.org/@pdftron/webviewer/-/webviewer-6.3.6.tgz",
+      "integrity": "sha512-ZxeW3r0H+5H0mRdu40e5uOjQaXOhBkOvvULPMKtPp4TEqARzkbQM5LIm4iAlBjokD1a3AfDK9gsb07a6FNVN8g=="
+    },
     "@protobufjs/aspromise": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",
@@ -2857,6 +2862,11 @@
         }
       }
     },
+    "classlist.js": {
+      "version": "1.1.20150312",
+      "resolved": "https://registry.npmjs.org/classlist.js/-/classlist.js-1.1.20150312.tgz",
+      "integrity": "sha1-HXCEL3Ai8I2awIbOaeWyUPLFd4k="
+    },
     "clean-css": {
       "version": "4.2.1",
       "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.1.tgz",
@@ -4269,6 +4279,11 @@
         }
       }
     },
+    "file-saver": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/file-saver/-/file-saver-2.0.5.tgz",
+      "integrity": "sha512-P9bmyZ3h/PRG+Nzga+rbdI4OEpNDzAVyy74uVO9ATgzLK6VtAsYybF/+TOCvrc0MO793d6+42lLyZTw7/ArVzA=="
+    },
     "fileset": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/fileset/-/fileset-2.0.3.tgz",
@@ -5104,22 +5119,35 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.2.tgz",
-      "integrity": "sha512-nvfrjqvt9xQ8Z/w0ijewdD/vvWDTOweBUm96NTr66Wfvo1mJenBLwcYmPs3TIBP5ruzYGD7Hx/DaM9RmhroGPw==",
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
       "dev": true,
       "requires": {
+        "minimist": "^1.2.5",
         "neo-async": "^2.6.0",
-        "optimist": "^0.6.1",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
       },
       "dependencies": {
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+          "dev": true
+        },
         "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
+        },
+        "wordwrap": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+          "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+          "dev": true
         }
       }
     },
@@ -11784,6 +11812,11 @@
         "minimalistic-assert": "^1.0.0"
       }
     },
+    "web-animations-js": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/web-animations-js/-/web-animations-js-2.3.2.tgz",
+      "integrity": "sha512-TOMFWtQdxzjWp8qx4DAraTWTsdhxVSiWa6NkPFSaPtZ1diKUxTn4yTix73A1euG1WbSOMMPcY51cnjTIHrGtDA=="
+    },
     "webdriver-js-extender": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/webdriver-js-extender/-/webdriver-js-extender-2.1.0.tgz",