diff --git a/lwip/lwip b/lwip/lwip
index f372198..4e87c66 160000
--- a/lwip/lwip
+++ b/lwip/lwip
@@ -1 +1 @@
-Subproject commit f372198834caf642c4b2d29d98fc1e120e3ce2b2
+Subproject commit 4e87c66bff75fbd02be86522de0f0bcf40a11f34