diff --git a/win/build-all-win.py b/win/build-all-win.py
index fa1cda4c88..0a0fe9b267 100644
--- a/win/build-all-win.py
+++ b/win/build-all-win.py
@@ -1,3 +1,5 @@
+# /// script
+# ///
 """
 It's not really a full version of nix/build-all.py for Windows,
 but serves the similar purpose - build all packages during CI (though by using cmd scripts),