diff --git a/third_party/pigweed b/third_party/pigweed
index 46a21c4..28a9fb0 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 46a21c419e5561f71c735ec4b956e1329198df17
+Subproject commit 28a9fb05372696b8a07428acbbd4f583b039fbc4