diff --git a/third_party/pigweed b/third_party/pigweed
index fc92d63..1ac49bc 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit fc92d636edcc491550c6743cd4a92656efd194e6
+Subproject commit 1ac49bcda648d72702980d5fa5604f7f02644fa6