diff --git a/third_party/pigweed b/third_party/pigweed
index 434ae75..a5f72ef 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 434ae75c94cbd000602c4d4045daabd4cb42285e
+Subproject commit a5f72ef6f5e0e7844801d913d3bbe5c6538b640c