diff --git a/package.json b/package.json
index e3d64c646..e2c09ba61 100644
--- a/package.json
+++ b/package.json
@@ -1,4 +1,5 @@
 {
+  "packageManager": "pnpm@9.12.1",
   "devDependencies": {
     "@vuepress/bundler-vite": "next",
     "@vuepress/cli": "next",