diff --git a/package.json b/package.json
index 7fe21b6c32ec..4acdba1a528e 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "@types/minimist": "^1.1.28",
     "@types/node": "^6.0.34",
     "@types/run-sequence": "0.0.27",
-    "browserstacktunnel-wrapper": "^1.4.2",
+    "browserstacktunnel-wrapper": "^2.0.0",
     "conventional-changelog": "^1.1.0",
     "express": "^4.14.0",
     "firebase-tools": "^2.2.1",
diff --git a/scripts/browserstack/start_tunnel.js b/scripts/browserstack/start_tunnel.js
index cae1738541d5..18adf136fad2 100644
--- a/scripts/browserstack/start_tunnel.js
+++ b/scripts/browserstack/start_tunnel.js
@@ -34,7 +34,12 @@ var tunnel = new BrowserStackTunnel({
 });
 
 console.log('Starting tunnel on ports', PORTS.join(', '));
-tunnel.start(function(error) {
+
+// Emit a `newer_available` event to force an update of the Browserstack binaries (necessary due to Travis caching)
+// This also starts a new tunnel after the latest binaries are available.
+tunnel.emit('newer_available');
+
+tunnel.once('started', function(error) {
   if (error) {
     console.error('Can not establish the tunnel', error);
   } else {