diff --git a/Chapter04/Final/package.json b/Chapter04/Final/package.json
index c038152..5ec2ff6 100644
--- a/Chapter04/Final/package.json
+++ b/Chapter04/Final/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "chapter4-building-blockchain-projects",
 	"dependencies": {
-		"express": "4.14.0",
+		"express": "4.19.2",
 		"web3": "0.16.0",
 		"socket.io": "1.6.0"
 	}