diff --git a/hermit/lwip b/hermit/lwip
index 942eb2380..4042efff1 160000
--- a/hermit/lwip
+++ b/hermit/lwip
@@ -1 +1 @@
-Subproject commit 942eb238016d8b3aff09a7a542f76ddd02ebd956
+Subproject commit 4042efff160d0006d002109c1b9e423c782bd9e3