diff --git a/package.json b/package.json
index bea1c50..04960bb 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "cookie-parser": "~1.3.5",
     "debug": "~2.2.0",
     "ejs": "~2.3.3",
-    "express": "~4.13.1",
+    "express": "~5.2.1",
     "ip": "^1.1.4",
     "istanbul": "^0.4.5",
     "mocha": "^3.2.0",