diff --git a/third_party/pigweed b/third_party/pigweed
index 9634e72..563946f 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 9634e72afffec292924559e8d3a0d0a81d162202
+Subproject commit 563946f9fa728da641a406dfdc7fa724abb770d2