diff --git a/third_party/pigweed b/third_party/pigweed
index c99ca8a..b9b9135 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit c99ca8ae0a441b26778de162ab2e1a503f33e8f7
+Subproject commit b9b913515fcbec313befff85ed8b772258d06e0a