diff --git a/example/express-server/package.json b/example/express-server/package.json
index 88a0ec25..f0971bab 100644
--- a/example/express-server/package.json
+++ b/example/express-server/package.json
@@ -6,8 +6,8 @@
     "test": "tsc"
   },
   "dependencies": {
-    "express": "4.16.3",
-    "graphql": "16.5.0",
+    "express": "4.21.0",
+    "graphql": "16.9.0",
     "graphql-http": "1.22.1",
     "graphql-voyager": "../../graphql-voyager.tgz"
   },