diff --git a/third_party/pigweed b/third_party/pigweed
index f66f4e4..3e9c883 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f66f4e473e6620afb4d027e7f9e224fa67ff2662
+Subproject commit 3e9c8837fbbc3b8105c6e1b77e7c14d4c1ad0d4e