diff --git a/third_party/pigweed b/third_party/pigweed
index f0ea55a..878f290 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f0ea55a197a61f40ef9c774e4dd0ea06a222f0a0
+Subproject commit 878f2906ee814b44fc314050b81bcb49fa8a0ad7