diff --git a/third_party/pigweed/repo b/third_party/pigweed/repo
index ead209d..39f7220 160000
--- a/third_party/pigweed/repo
+++ b/third_party/pigweed/repo
@@ -1 +1 @@
-Subproject commit ead209d3aa09821aa7549fbc8665ae68fe88d16f
+Subproject commit 39f72204df9c95c23d1ad4ee34274a116e6aedd7