diff --git a/third_party/pigweed b/third_party/pigweed
index 6942dd5..4f0b1a7 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 6942dd5c53c11b400d08ad89e6e11d225cc9776e
+Subproject commit 4f0b1a7c4cd2ee20f1c605be6cc8efa87deb162b