diff --git a/package.json b/package.json
index 69801966..8f1e70f9 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   ],
   "funding": "https://github.com/sponsors/ota-meshi",
   "license": "MIT",
-  "packageManager": "pnpm@7.33.7",
+  "packageManager": "pnpm@9.12.3",
   "engines": {
     "node": "^18.20.4 || ^20.18.0 || >=22.10.0"
   },