diff --git a/test/example1/package.json b/test/example1/package.json
index a473ae1..65f9abd 100644
--- a/test/example1/package.json
+++ b/test/example1/package.json
@@ -1,6 +1,6 @@
 {
   "dependencies": {
-    "express": "~3.4.8",
+    "express": "~4.17.1",
     "jade": "~1.3.0"
   }
 }