diff --git a/stan b/stan
index a2c5777b96..39fd22f3e6 160000
--- a/stan
+++ b/stan
@@ -1 +1 @@
-Subproject commit a2c5777b96a0b23e0457a4cf4b2981f27b524ffd
+Subproject commit 39fd22f3e68be18846d7f528b878d999eefad0d6