diff --git a/package-lock.json b/package-lock.json
index ecf1e9a..1c9bde4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "pdf-merger-js",
-  "version": "4.0.1",
+  "version": "4.1.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index a35f810..0c76a92 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdf-merger-js",
-  "version": "4.0.1",
+  "version": "4.1.0",
   "description": "merge multible PDF documents, or parts of them, to a new PDF document",
   "main": "./index.js",
   "types": "./index.d.ts",