diff --git a/package.json b/package.json
index f907717..dca7f4e 100644
--- a/package.json
+++ b/package.json
@@ -20,8 +20,10 @@
   "exports": {
     ".": "./dist/index.js"
   },
+  "packageManager": "pnpm@8.15.4",
   "engines": {
-    "node": ">=20"
+    "node": "20.11.0",
+    "pnpm": "8.15.4"
   },
   "scripts": {
     "bundle": "npm run format:write && npm run package",