diff --git a/lib/stan_math b/lib/stan_math
index 061ac500c7..6ee5d48bc3 160000
--- a/lib/stan_math
+++ b/lib/stan_math
@@ -1 +1 @@
-Subproject commit 061ac500c7a509d3b61ac66646f8c2bbb7e88f77
+Subproject commit 6ee5d48bc38b0f460f821b70c66e347895372246