diff --git a/test/fixtures/demo-os/package.json b/test/fixtures/demo-os/package.json
index 164737a469..026e36f847 100644
--- a/test/fixtures/demo-os/package.json
+++ b/test/fixtures/demo-os/package.json
@@ -37,7 +37,7 @@
     "connect-slashes": "1.3.1",
     "cookie-session": "1.1.0",
     "downsize": "0.0.8",
-    "express": "4.12.4",
+    "express": "4.18.1",
     "express-hbs": "0.8.4",
     "extract-zip": "1.0.3",
     "fs-extra": "0.18.4",