diff --git a/package.json b/package.json
index 56cc93f..d22e7d2 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "express": "2.5.9",
+    "express": "4.17.1",
     "ejs": ">= 0.0.1",
     "nib": ">= 0.0.1",
     "socket.io": ">= 0.0.1",