diff --git a/pigweed b/pigweed
index 80ed1db..6638f77 160000
--- a/pigweed
+++ b/pigweed
@@ -1 +1 @@
-Subproject commit 80ed1db4b1dae6377a976a21e756a2f77764dd8a
+Subproject commit 6638f775a94112069d4c7a9df5c3e094622cd605