diff --git a/package-lock.json b/package-lock.json
index 3b05f4d..ddd5c9d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@library-pals/isbn",
-  "version": "1.3.3",
+  "version": "1.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@library-pals/isbn",
-      "version": "1.3.3",
+      "version": "1.4.0",
       "license": "AGPL-3.0-or-later",
       "dependencies": {
         "axios": "^1.7.7"
diff --git a/package.json b/package.json
index 6b44d6e..2dc7e03 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@library-pals/isbn",
-  "version": "1.3.3",
+  "version": "1.4.0",
   "description": "Find books by ISBN",
   "exports": "./src/index.js",
   "types": "./types/index.d.ts",