diff --git a/lib/stan_math b/lib/stan_math
index 814d915905..b12cfbdeb0 160000
--- a/lib/stan_math
+++ b/lib/stan_math
@@ -1 +1 @@
-Subproject commit 814d91590585f52f67a1d601f5d71d4f1097c99b
+Subproject commit b12cfbdeb007c77bcc8d70b31b04c9f395bfa558