diff --git a/examples/cloudflare-worker/wrangler/src/index.ts b/examples/cloudflare-worker/wrangler/src/index.ts
index 9663134..219e3d2 100644
--- a/examples/cloudflare-worker/wrangler/src/index.ts
+++ b/examples/cloudflare-worker/wrangler/src/index.ts
@@ -1,3 +1,4 @@
+import { Buffer } from "buffer";
 import { PKPass } from "passkit-generator";
 
 /** Assets are handled by Webpack url-loader */