diff --git a/package.json b/package.json
index 0148ea1..4b6ce59 100644
--- a/package.json
+++ b/package.json
@@ -39,8 +39,8 @@
     "precommit": "npm run lint",
     "clone-readme": "cp ./README.md README-temp.md",
     "cloudflare-deploy": "npm run build-api",
-    "vercel-build": "npm run build-lists-and-api",
     "netlify-build": "npm run generate-astro"
+    "vercel-build": "npm run build-lists-and-api && test-postbuild-api",
   },
   "dependencies": {
     "@11ty/eleventy-assets": "^1.0.5",