diff --git a/package.json b/package.json
index e57f1fb..41a8f35 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "dependencies": {
     "lodash": "^4.17.1",
     "mysql2": "^1.4.2",
-    "path-to-regexp": "=2.4.0",
+    "path-to-regexp": "4.0.4",
     "phpunserialize": "~1.0.1"
   },
   "browserify": {