diff --git a/yarn/examples/hello_world/package.json b/yarn/examples/hello_world/package.json
index 74373a49f..5f1dab56b 100644
--- a/yarn/examples/hello_world/package.json
+++ b/yarn/examples/hello_world/package.json
@@ -9,7 +9,7 @@
   },
   "author": "",
   "dependencies": {
-    "express": "4.14.0"
+    "express": "4.20.0"
   },
   "devDependencies": {
     "supertest": "2.0.0",