diff --git a/vercel.json b/vercel.json
index 0ccbd55..e65c9ee 100644
--- a/vercel.json
+++ b/vercel.json
@@ -1,7 +1,7 @@
 {
   "functions": {
     "api/app.py": {
-      "runtime": "@vercel/python@3.12"
+      "runtime": "@vercel/python@3.11"
     }
   },
   "routes": [