diff --git a/StanHeaders/inst/include/upstream b/StanHeaders/inst/include/upstream
index 658755b43..a582c8020 160000
--- a/StanHeaders/inst/include/upstream
+++ b/StanHeaders/inst/include/upstream
@@ -1 +1 @@
-Subproject commit 658755b43bf1a34bb54149863b889f2f484faa12
+Subproject commit a582c8020d7947b29414b3d74b28565702973111