diff --git a/third_party/pigweed b/third_party/pigweed
index 64c4834..6ac2d4b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 64c48347cf7ccbdc6fbdfbc044b2a689911a7d13
+Subproject commit 6ac2d4b370be1eef6bbc1fa0b5951fc60df04af9