diff --git a/third_party/pigweed b/third_party/pigweed
index 5d9a1e8..1acb4f5 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 5d9a1e84e7c55a7b194a8bf459b720cbba220d0c
+Subproject commit 1acb4f52ed3845adb5e58854ccb7d2ac7ad5e8bc