diff --git a/package.json b/package.json
index 7655164..12bafc2 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "cors": "^2.8.1",
     "debug": "~2.2.0",
     "ejs": "~2.4.1",
-    "express": "~4.13.4",
+    "express": "~4.17.1",
     "mongoose": "^4.6.3",
     "morgan": "~1.7.0",
     "qs": "^6.2.1",