diff --git a/third_party/pigweed b/third_party/pigweed
index 62f2b6e..6fd39ed 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 62f2b6e675d7c7418bb01757d162fd0f580c194e
+Subproject commit 6fd39edf919a4a3cd7ed9776f6c8f092189fd815