diff --git a/lwip b/lwip
index 4abcbe362..9b7bab658 160000
--- a/lwip
+++ b/lwip
@@ -1 +1 @@
-Subproject commit 4abcbe362d06ac5f322c7f21b184d98e089c7128
+Subproject commit 9b7bab658b924c95dfdb9ba5244a5b02cf979f0d