diff --git a/package-lock.json b/package-lock.json
index 0655247..69daf92 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "path-to-regexp",
-  "version": "4.0.3",
+  "version": "4.0.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 8b912e4..d6be4f9 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "path-to-regexp",
   "description": "Express style path to RegExp utility",
-  "version": "4.0.3",
+  "version": "4.0.4",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "module": "dist.es2015/index.js",