diff --git a/package.json b/package.json
index 2311893..d742aed 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "headers-polyfill",
-  "version": "4.0.2",
+  "version": "4.0.3",
   "description": "A native \"Headers\" class polyfill.",
   "main": "./lib/index.js",
   "module": "./lib/index.mjs",