diff --git a/package.json b/package.json
index 2e179dc2..005ef348 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,8 @@
     "create-build-report": "shadow-cljs run shadow.cljs.build-report app build-report.html && open build-report.html",
     "create-build-report:worker": "shadow-cljs run shadow.cljs.build-report worker build-report.html && open build-report.html",
     "build": "npm run build:css && npm run build:gh-pages && scripts/update-gh-pages-paths",
-    "build:vercel": "npm run build:css && npm run build:simple",
+    "build:top-level": "npm run build:css && npm run build:simple",
+    "build:vercel": "npm run build:top-level && scripts/compile-builtin-sources",
     "build:css": "lessc less/site.less resources/public/css/site.css",
     "build:simple": "shadow-cljs release :app :worker",
     "build:debug": "shadow-cljs release :app :worker --config-merge '{:closure-defines {wish.config/gdrive-client-id \"661182319990-1uerkr0pue6k60a83atj2f58md95fb1b.apps.googleusercontent.com\"}}'",