diff --git a/package.json b/package.json
index 721364b..117bfd9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fetch-filecache-for-crawling",
-  "version": "3.0.2",
+  "version": "4.0.0",
   "description": "Implementation of a `fetch` that extends the implementation from `node-fetch` to add an HTTP cache using a local cache folder for crawling purpose.",
   "main": "fetch-filecache.js",
   "repository": {