diff --git a/example-ws/package.json b/example-ws/package.json
index 00a7d00..3a2f829 100644
--- a/example-ws/package.json
+++ b/example-ws/package.json
@@ -23,6 +23,7 @@
     "typescript": "^3.8.3"
   },
   "dependencies": {
-    "ws": "^7.2.3"
+    "ws": "^7.2.3",
+    "@braintree/sanitize-url": "5.0.0"
   }
 }
diff --git a/example-ws/src/index.ts b/example-ws/src/index.ts
index c0ad574..4bb2da7 100644
--- a/example-ws/src/index.ts
+++ b/example-ws/src/index.ts
@@ -3,6 +3,7 @@ import * as fs from "fs";
 import * as WebSocket from "ws";
 import { IRpc } from "./rpc/rpc-common";
 import { RpcExtensionWebSockets } from "./rpc/rpc-extension-ws";
+import { sanitizeUrl } from '@braintree/sanitize-url';
 
 // web socket server
 const wss = new WebSocket.Server({ port: 8081 }, () => {
@@ -29,8 +30,8 @@ wss.on("connection", function connection(ws) {
 
 // static content http server
 http.createServer(function (req, res) {
-  const url = req.url;
-  fs.readFile(`${__dirname}/static${req.url}`, function (err,data) {
+  const url = sanitizeUrl(req.url);
+  fs.readFile(`${__dirname}/static${url}`, function (err,data) {
     if (err) {
       res.writeHead(404);
       res.end(JSON.stringify(err));
diff --git a/example/src/extension.ts b/example/src/extension.ts
index 3c105a8..25ca89d 100644
--- a/example/src/extension.ts
+++ b/example/src/extension.ts
@@ -4,7 +4,6 @@ import * as path from 'path';
 import * as vscode from 'vscode';
 import * as fs from 'fs';
 import { RpcExtension } from '@sap-devx/webview-rpc/out.ext/rpc-extension';
-import { SSL_OP_CIPHER_SERVER_PREFERENCE } from 'constants';
 
 // this method is called when your extension is activated
 // your extension is activated the very first time the command is executed