diff --git a/vercel.json b/vercel.json
index 0e2265c..fe1bb0c 100644
--- a/vercel.json
+++ b/vercel.json
@@ -3,10 +3,10 @@
     "api/server.js": {
       "memory": 1024,
       "includeFiles": "db.json",
-      "runtime": "@vercel/node"
+      "runtime": "vercel/node@3.0.16"
     },
     "main.py": {
-      "runtime": "@vercel/python"
+      "runtime": "vercel/python@4.1.0"
     }
   },
   "rewrites": [