diff --git a/backend/vercel.json b/backend/vercel.json
index 0be1dbb8..28a45998 100644
--- a/backend/vercel.json
+++ b/backend/vercel.json
@@ -1,7 +1,7 @@
 {
   "functions": {
     "index.py": {
-      "runtime": "python3.11"
+      "runtime": "@vercel/python@3.1.7"
     }
   },
   "routes": [
@@ -11,3 +11,4 @@
     }
   ]
 }
+