diff --git a/package.json b/package.json
index aa8114f..73f5588 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "config": "~1.24.0",
     "coveralls": "~2.11.15",
     "debug": "~2.3.3",
-    "express": "~4.14.0",
+    "express": "~5.0.0-alpha.3",
     "http-proxy": "~1.16.0",
     "json5": "~0.5.1",
     "nyc": "~10.0.0",