diff --git a/third_party/pigweed b/third_party/pigweed
index 95732fb..b9fcf40 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 95732fb2b2335392165a39996051b60f400cb0e5
+Subproject commit b9fcf40514d4a781929ab12aaea8fc1c7c369a15