diff --git a/third_party/pigweed b/third_party/pigweed
index 66c5099..b839d42 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 66c509979444b2de1954a12b9a8988066f5c65af
+Subproject commit b839d428445ebad1119f6337cee56c3a5f1574da