diff --git a/lib/stan_math b/lib/stan_math
index f390d823261..40803f80dd9 160000
--- a/lib/stan_math
+++ b/lib/stan_math
@@ -1 +1 @@
-Subproject commit f390d823261266c2a0999eeaedcd5ac216f857b3
+Subproject commit 40803f80dd9e3cdbcfc014b91a9a316d9618fd23