diff --git a/third_party/pigweed b/third_party/pigweed
index 7286a9d..4df6f28 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 7286a9d4c200a46bcb04c687afb542cc3afc66cc
+Subproject commit 4df6f289fe3c1a0f28065961f778eda1f678cb97