diff --git a/package.json b/package.json
index b841866..2de3195 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "url": "git+https://github.com/riege/action-version.git"
   },
   "author": "",
-  "license": "ISC",
+  "license": "UPL",
   "bugs": {
     "url": "https://github.com/riege/action-version/issues"
   },