diff --git a/third_party/pigweed b/third_party/pigweed
index 09a7e13..d56a638 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 09a7e13b74435758595b4705a07a5648a8eccc41
+Subproject commit d56a6386ca2422ce7ee50f0e917e5b2b6e100257