diff --git a/pigweed b/pigweed
index 1493ec5..6433797 160000
--- a/pigweed
+++ b/pigweed
@@ -1 +1 @@
-Subproject commit 1493ec54764574d6f5b394c27cc752ad701944b4
+Subproject commit 643379783d0f1ed59aae8db059fb1db6fa7ae859