diff --git a/hermit/lwip b/hermit/lwip
index 0bb011c83..b20b9a2c2 160000
--- a/hermit/lwip
+++ b/hermit/lwip
@@ -1 +1 @@
-Subproject commit 0bb011c839eb8dd4ce6f7b4bb62380dede4b7279
+Subproject commit b20b9a2c2532c0713122053ce57f2970c538ca1a