diff --git a/third_party/pigweed b/third_party/pigweed
index 4b6c52d..c4c585a 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 4b6c52dbc6058d2f9e04f62d654f33c82e88e170
+Subproject commit c4c585a29871b4d66a38a409589c5e72e9fbe391