diff --git a/netlify.toml b/netlify.toml
index 7783414a91..5f177e6b3a 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -1,3 +1,4 @@
 [build]
   command = "script/build-api-docs"
   publish = "api-docs"
+  environment = { PYTHON_VERSION = "3.13" }