diff --git a/package.json b/package.json
index 2b2fb0f..9dcd9c6 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,12 @@
   "description": "Find out the latest app support for Apple Silicon and the Apple M2 and M1 Ultra Processors",
   "author": "Sam Carlton",
   "private": true,
+  "engines": {
+    "pnpm": "^8.6.*",
+    "node": ">=18",
+    "yarn": "forbidden, this project uses pnpm",
+    "npm": "forbidden, this project uses pnpm"
+  },
   "config": {
     "verbiage": {
       "processors": "Apple M2 and M1 Ultra",