diff --git a/third_party/pigweed b/third_party/pigweed
index db2ee8c..bb1870c 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit db2ee8c42fe993f5613c5b675fa6e56263415d92
+Subproject commit bb1870ce1c8d99afe0fdf87212a0f19337572ee9