diff --git a/third_party/pigweed b/third_party/pigweed
index 8e87382..a438bf7 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 8e87382862fa9df2f0d7de20af3e1c7acbcb236f
+Subproject commit a438bf7f3271870ff9e3a287590431bbfdc0ece2