diff --git a/package.json b/package.json
index 678928a..9358e0e 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "tags": ["tty", "terminal", "term", "xterm"],
   "engines": { "node": ">= 0.8.0" },
   "devDependencies": {
-    "express": "3.1.0",
+    "express": "4.19.2",
     "socket.io": "0.9.13",
     "pty.js": ">= 0.2.13"
   }