diff --git a/package.json b/package.json
index e219018a..063f0732 100644
--- a/package.json
+++ b/package.json
@@ -1,4 +1,5 @@
 {
+  "packageManager": "pnpm@9.14.4",
   "name": "P-Stream",
   "version": "4.7.0",
   "private": true,