diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a1a9f6c2..67b38b2c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -12,7 +12,7 @@ New here? Look for issues labeled
 
 1. **Fork** the repo and create your branch **from `dev`** (never `main` — `main` only
    receives release merges from `dev`).
-2. **Set up:** Node.js 20+ (CI runs on Node 24) and pnpm. The pnpm version is pinned
+2. **Set up:** Node.js 24+ (same as CI) and pnpm. The pnpm version is pinned
    via the `packageManager` field, so the easiest path is:
 
    ```bash
diff --git a/package.json b/package.json
index 21199480..64a1a57b 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,9 @@
   "version": "7.4.0",
   "type": "module",
   "packageManager": "pnpm@11.22.0",
+  "engines": {
+    "node": ">=24"
+  },
   "scripts": {
     "dev": "concurrently \"vite\" \"nodemon --import ./sentry-instrument.js backend-server.js\"",
     "build": "vite build",