diff --git a/package.json b/package.json
index c6c7f82..8654d78 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "email": ""
   },
   "dependencies": {
-    "express": "3.4.4",
+    "express": "4.17.1",
     "jade": "*",
     "mongodb": "^2.0.39",
     "stylus": "*"