diff --git a/lib/stan_math b/lib/stan_math
index b9844645a36..ec06cb7ea60 160000
--- a/lib/stan_math
+++ b/lib/stan_math
@@ -1 +1 @@
-Subproject commit b9844645a369f3187342f14abe3ded328c423583
+Subproject commit ec06cb7ea60c556e7cdfa7b9434b478203048353