diff --git a/third_party/pigweed b/third_party/pigweed
index 3d0e315..c2d5781 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3d0e3152db29c24a75464b069557aab72a389595
+Subproject commit c2d5781a76268bfdc00b2f5232bf3e7c1129bf37