diff --git a/package-lock.json b/package-lock.json
index 7061ff8..8fed434 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "workflow-application-token-action",
-  "version": "2.1.0",
+  "version": "4.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "workflow-application-token-action",
-      "version": "2.1.0",
+      "version": "4.0.0",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^1.10.1",
diff --git a/package.json b/package.json
index 4a78b04..99ae540 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "workflow-application-token-action",
-  "version": "2.1.0",
+  "version": "4.0.0",
   "description": "GitHub Action to generate a GitHub Application access token for use in GitHub Actions workflows",
   "main": "index.js",
   "scripts": {