diff --git a/package-lock.json b/package-lock.json
index 6d59460..e758aaf 100644
--- a/package-lock.json
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@@ -12818,12 +12859,6 @@
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.1.0.tgz",
       "integrity": "sha512-CI18flHDznR0lq54xBycOVmphdCYnQLKn8abKn7PXUiKUGdEd+/l9LWNJmugXel4hXq7S+RMNl34ecyC9TntWg=="
     },
-    "uws": {
-      "version": "0.14.5",
-      "resolved": "https://registry.npmjs.org/uws/-/uws-0.14.5.tgz",
-      "integrity": "sha1-Z6rzPEaypYel9mZtAPdpEyjxSdw=",
-      "optional": true
-    },
     "v8-compile-cache": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.0.3.tgz",
@@ -13786,14 +13821,9 @@
       }
     },
     "ws": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
-      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
-      "requires": {
-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0",
-        "ultron": "~1.1.0"
-      }
+      "version": "7.4.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.2.tgz",
+      "integrity": "sha512-T4tewALS3+qsrpGI/8dqNMLIVdq/g/85U98HPMa6F0m6xTbvhXU6RCQLqPH3+SlomNV/LdY6RXEbBpMH6EOJnA=="
     },
     "xml-name-validator": {
       "version": "3.0.0",
diff --git a/package.json b/package.json
index 8186ec6..b4666d9 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,8 @@
   "scripts": {
     "build": "webpack --config config/webpack.build.js",
     "start:dev": "node scripts/server.js --mode=development",
-    "start:prod": "npm run build && node scripts/server.js --mode=production",
+    "start:prod": "npm run build && npm run start",
+    "start": "node scripts/server.js --mode=production",
     "test": "jest",
     "pretty-quick": "pretty-quick",
     "format": "prettier --write .",
@@ -29,7 +30,7 @@
   },
   "dependencies": {
     "ajv": "6.12.2",
-    "dompurify": "^2.0.7",
+    "dompurify": "^2.0.17",
     "express": "4.*",
     "formidable": "1.*",
     "fs-extra": "7.*",
diff --git a/scripts/server.js b/scripts/server.js
index 58414ae..e223372 100644
--- a/scripts/server.js
+++ b/scripts/server.js
@@ -28,5 +28,5 @@ if (server_mode === SERVER_MODES.DEVELOPMENT) {
     startBackendServer(3000);
 } else {
     console.info("Starting server in production mode.");
-    startBackendServer(8080);
+    startBackendServer(process.env.PORT || 8080);
 }