diff --git a/package.json b/package.json
index 8576a39..7a271b2 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "keywords": [],
   "author": "",
-  "license": "ISC",
+  "license": "GPL-3.0",
   "dependencies": {
     "@openzeppelin/merkle-tree": "^1.0.6",
     "ethers": "^6.12.0"