diff --git a/package.json b/package.json
index e9fa1e9..2319baa 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "donejs-error-format": "^1.2.0",
     "http-proxy": "^1.13.2",
     "kill-on-exit": "^1.2.0",
-    "path-to-regexp": "^2.4.0",
+    "path-to-regexp": "^5.0.0",
     "send": "^0.16.2",
     "serve-index": "^1.9.1",
     "serve-static": "^1.13.2"