diff --git a/third_party/pigweed b/third_party/pigweed
index 9126569..64a4b16 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 9126569a6877c1638aaae763504d171d5d80b587
+Subproject commit 64a4b16be46435f6aacbf29f5fb70c355ff90216