diff --git a/lib-lwip b/lib-lwip
index e05ec1e..678f962 160000
--- a/lib-lwip
+++ b/lib-lwip
@@ -1 +1 @@
-Subproject commit e05ec1e1a8eda2b4eff979b83830dde36d7a5815
+Subproject commit 678f9629fcae70276197897e668c8f848a657fb1