diff --git a/third_party/pigweed b/third_party/pigweed
index ffd7f02..09c9355 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit ffd7f02f75eec34f060dd93803b7441668ef7e1f
+Subproject commit 09c9355f6493ad02061b2e74b5a7171187ae7499