diff --git a/third_party/pigweed b/third_party/pigweed
index 420af4b..78789cd 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 420af4b4688268c17f49dcebf607edcdf6541487
+Subproject commit 78789cd45a8a6a0de905448b0a26b6f50d2aec7b