diff --git a/package.json b/package.json
index a1b3309..4b7b3ee 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "devDependencies": {
     "acquit": "0.4.1",
     "cookie": "0.3.1",
-    "express": "4.14.0",
+    "express": "5.0.0-alpha.5",
     "express-session": "1.15.1",
     "gulp": "3.9.1",
     "gulp-mocha": "4.0.1",