diff --git a/third_party/pigweed b/third_party/pigweed
index 76f7aa2..c409392 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 76f7aa25d19c612ff632f60ee7660ccbd3620405
+Subproject commit c40939242de4c9754ea58d362cca5fb172f0f8b6