diff --git a/.trigger_build b/.trigger_build
deleted file mode 100644
index e69de29..0000000
diff --git a/backend/vercel.json b/backend/vercel.json
index efbb1da..cd37f0b 100644
--- a/backend/vercel.json
+++ b/backend/vercel.json
@@ -1,4 +1,5 @@
 {
+  "$schema": "https://openapi.vercel.sh/vercel.json",
   "builds": [
     {
       "src": "main.py",