diff --git a/third_party/lwip/repo b/third_party/lwip/repo
index 84fde1ebbfe35b..31d8988f89699a 160000
--- a/third_party/lwip/repo
+++ b/third_party/lwip/repo
@@ -1 +1 @@
-Subproject commit 84fde1ebbfe35b3125fc2d89b8a456cbacf148e9
+Subproject commit 31d8988f89699aa357b0468a700483ea340e9da9