diff --git a/demo/package-lock.json b/demo/package-lock.json
index a8ad133..5ec6b65 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -1199,12 +1199,21 @@
         }
       }
     },
-    "@nguniversal/express-engine": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@nguniversal/express-engine/-/express-engine-7.1.1.tgz",
-      "integrity": "sha512-RJ2VATA6s48bYNrAfjnkjUCohpR7ehiOySwGA2vuUIWCWXKDIIPxgmET5ffVHy1a2XdMsOgrQ9Whth7+CxnUgw==",
+    "@nguniversal/common": {
+      "version": "9.1.1",
+      "resolved": "https://registry.npmjs.org/@nguniversal/common/-/common-9.1.1.tgz",
+      "integrity": "sha512-stYQzea9jhbs8XJDZEGcdHRVBrUp4wE3KMVufQNnQMbW/R+JpakGP6XBfPY3NLmqs/xJpVUIcIl3/6l5XxpR5A==",
       "dev": true
     },
+    "@nguniversal/express-engine": {
+      "version": "9.1.1",
+      "resolved": "https://registry.npmjs.org/@nguniversal/express-engine/-/express-engine-9.1.1.tgz",
+      "integrity": "sha512-K/4cY+mJgJu65HYyFz5L4wrUqtkYqsg/itXOWhPCeuzhBCVpJQntXq2z07sxM+Jl5EIbCi3jGa5wnm/17uti4w==",
+      "dev": true,
+      "requires": {
+        "@nguniversal/common": "9.1.1"
+      }
+    },
     "@nguniversal/module-map-ngfactory-loader": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/@nguniversal/module-map-ngfactory-loader/-/module-map-ngfactory-loader-7.1.1.tgz",
diff --git a/demo/package.json b/demo/package.json
index 8b89337..a8abb73 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -64,7 +64,7 @@
     "@angular/compiler-cli": "^7.2.11",
     "@angular/language-service": "^7.2.11",
     "@angularclass/hmr": "~2.1.3",
-    "@nguniversal/express-engine": "^7.1.1",
+    "@nguniversal/express-engine": "^9.1.1",
     "@nguniversal/module-map-ngfactory-loader": "^7.1.1",
     "@types/jest": "^24.0.11",
     "@types/node": "^10.14.4",