diff --git a/third_party/pigweed b/third_party/pigweed
index 6928534..b4c6bb5 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 69285347b4bafd9f6e3c19c27085d6bac0491334
+Subproject commit b4c6bb5533f6b7586a9abcf578301e2ab91b6af7