diff --git a/packages/core/package.json b/packages/core/package.json
index 1105d79c46..dda82776d2 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -19,6 +19,7 @@
   "main": "dist/cjs/index.js",
   "types": "dist/cjs/index.d.ts",
   "scripts": {
+    "build:watch": "tsc --outDir dist/cjs --noEmit false --module CommonJS --watch",
     "build": "backstage-cli build-cache -- tsc --outDir dist/cjs --noEmit false --module CommonJS",
     "lint": "backstage-cli lint",
     "test": "backstage-cli test"