diff --git a/vercel.json b/vercel.json
index 78ae0b3..2f069a7 100644
--- a/vercel.json
+++ b/vercel.json
@@ -1,4 +1,24 @@
 {
+  "headers": [
+    {
+      "headers": [
+        {
+          "key": "Content-Type",
+          "value": "text/plain; charset=utf-8"
+        }
+      ],
+      "source": "/"
+    },
+    {
+      "headers": [
+        {
+          "key": "Content-Type",
+          "value": "text/plain; charset=utf-8"
+        }
+      ],
+      "source": "/(.+)\\.py"
+    }
+  ],
   "rewrites": [
     {
       "destination": "/install-poetry.py",