diff --git a/tools/sdk/lwip2/builder b/tools/sdk/lwip2/builder
index 25d5e8186..2314329c8 160000
--- a/tools/sdk/lwip2/builder
+++ b/tools/sdk/lwip2/builder
@@ -1 +1 @@
-Subproject commit 25d5e8186f710a230221021cba97727dbfdfd953
+Subproject commit 2314329c86cb7eb9670e3adf7632bd52001f45cd