diff --git a/backend/vercel.json b/backend/vercel.json
index d89ce5bd..f390254e 100644
--- a/backend/vercel.json
+++ b/backend/vercel.json
@@ -1,7 +1,7 @@
 {
   "functions": {
     "api/main.py": {
-      "runtime": "python3.11"
+      "runtime": "python3.10"
     }
   },
   "routes": [