From b43a9f74751c3cc00b3d33d1b9f632aa6dd3aef1 Mon Sep 17 00:00:00 2001
From: "Hamada S. Badr" <hamada.s.badr@gmail.com>
Date: Sun, 10 Dec 2023 07:02:12 -0500
Subject: [PATCH] Update stan submodule

---
 StanHeaders/inst/include/upstream | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/StanHeaders/inst/include/upstream b/StanHeaders/inst/include/upstream
index 2db1a8b72..4637f9494 160000
--- a/StanHeaders/inst/include/upstream
+++ b/StanHeaders/inst/include/upstream
@@ -1 +1 @@
-Subproject commit 2db1a8b7298bd3f7422de2781baa24346b18dc0e
+Subproject commit 4637f9494db2d48d6dfd573505fe9053d0b4be5c