diff --git a/lwip/lwip b/lwip/lwip
index c4765dc..3cf8d51 160000
--- a/lwip/lwip
+++ b/lwip/lwip
@@ -1 +1 @@
-Subproject commit c4765dccec5c01faeb87e5ed65db1c99ff5c9a05
+Subproject commit 3cf8d514bd76e6ef77e6fa514d0ec6d96da7fd9a