diff --git a/third_party/pigweed b/third_party/pigweed
index 5c47f70..b572538 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 5c47f7009f6683854fb9ae8e06e0ab49c711fe39
+Subproject commit b572538413b3dccf434f825a2d2d0484c0547599