diff --git a/third_party/pigweed b/third_party/pigweed
index 1807af5..a56e966 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 1807af542686e6dfe1dad3bb9c21d17d1c88a0da
+Subproject commit a56e966f863779b21b263c81c1002b5dd4ee5841