diff --git a/third_party/pigweed b/third_party/pigweed
index 3f00a3e..b9b1d36 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3f00a3eb4957306eab148fe3651844e46df5b379
+Subproject commit b9b1d36c06fac575fc1b3602ad2564a8cfb41a42