diff --git a/third_party/pigweed b/third_party/pigweed
index 83644e8..c4cf469 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 83644e88fe7aa518988670f67ffdf1cde26065cb
+Subproject commit c4cf469a53bed014cbe797a93aec971536e68f86