diff --git a/third_party/pigweed b/third_party/pigweed
index 809a423..78ad640 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 809a423d7ddf0d288718050f7ec3e18fff477e78
+Subproject commit 78ad6403cc6760021e89e8bb9b6c27c54af29f33