diff --git a/examples/websocket/package.json b/examples/websocket/package.json
index 3837ca6b..0514e1bc 100644
--- a/examples/websocket/package.json
+++ b/examples/websocket/package.json
@@ -15,7 +15,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "cloudevents": "~3.0.1",
+    "cloudevents": "~4.0.0",
     "got": "^11.3.0",
     "ws": "^7.3.0"
   }