From 37a5e7172fc8838684bbf59d5b426aceb1fe554b Mon Sep 17 00:00:00 2001
From: Steve Bronder <sbronder@flatironinstitute.org>
Date: Mon, 11 Nov 2024 11:27:22 -0500
Subject: [PATCH] update fwd includes

---
 stan/math/fwd/fun/inv_sqrt.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stan/math/fwd/fun/inv_sqrt.hpp b/stan/math/fwd/fun/inv_sqrt.hpp
index 40625094d37..3cca38d538f 100644
--- a/stan/math/fwd/fun/inv_sqrt.hpp
+++ b/stan/math/fwd/fun/inv_sqrt.hpp
@@ -3,6 +3,7 @@
 
 #include <stan/math/fwd/meta.hpp>
 #include <stan/math/fwd/core.hpp>
+#include <stan/math/prim/fun/inv_sqrt.hpp>
 #include <cmath>
 
 namespace stan {