diff --git a/package.json b/package.json
index eb923e0..e8b7f5f 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "dependencies": {
     "underscore": "~1.8.3",
-    "express": "~4.13.3",
+    "express": "~4.17.1",
     "mustache": "~2.1.3",
     "socket.io": "~1.3.7"
   },