diff --git a/package.json b/package.json
index 4f5a11143b..0159474d3b 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,9 @@
   "private": true,
   "type": "module",
   "license": "MIT",
+  "engines": {
+    "pnpm": "^9.0.0"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/sveltejs/svelte.git"