diff --git a/package.json b/package.json
index 2928fe4..e712c15 100644
--- a/package.json
+++ b/package.json
@@ -321,6 +321,7 @@
     "ts-node": "10.9.1",
     "typescript": "5.5.4"
   },
+  "packageManager": "npm@9.9.3",
   "keywords": [
     "ethereum",
     "cryptography",