diff --git a/lib/stan_math b/lib/stan_math
index 4b40ec51a5..babb1adabd 160000
--- a/lib/stan_math
+++ b/lib/stan_math
@@ -1 +1 @@
-Subproject commit 4b40ec51a5c050ccbf5c32c2b99db4d5c32d4bbc
+Subproject commit babb1adabd41e58592b3881ce49810a36df446f8