diff --git a/third_party/pigweed b/third_party/pigweed
index aa00a15..864bbd3 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit aa00a15bebbb73f32cf0867a9a15fe7e51815ba1
+Subproject commit 864bbd30af8e54f7124b3a3fd52ad56dc0f0fb40