diff --git a/package.json b/package.json
index 17ea2c4..e02c7cb 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "import": "./lib/esm/nostr.mjs",
     "require": "./lib/nostr.cjs.js"
   },
+  "license": "Public domain",
   "dependencies": {
     "@noble/hashes": "1.0.0",
     "@noble/secp256k1": "^1.7.1",