diff --git a/package.json b/package.json
index e43f4de8..27de7048 100644
--- a/package.json
+++ b/package.json
@@ -106,7 +106,7 @@
     "edward": "^15.0.0",
     "es6-promisify": "^7.0.0",
     "execon": "^1.2.0",
-    "express": "^4.13.0",
+    "express": "^5.1.0",
     "files-io": "^4.0.0",
     "find-up": "^7.0.0",
     "for-each-key": "^2.0.0",