diff --git a/package.json b/package.json
index 3b9affdf..d8b32c62 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "sqlite3": "^5.0.0"
   },
   "scripts": {
+    "cleanup": "rm -rf node_modules && rm -rf */node_modules && rm -rf */*/node_modules",
     "registry": "node .registry/server.js",
     "bookshop": "cds watch bookshop",
     "fiori": "cds watch fiori",