diff --git a/third_party/pigweed b/third_party/pigweed
index 272e124..b39ca92 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 272e12409b28ca93cffb469c0ad058db1f711779
+Subproject commit b39ca9212a85e181f6b50947e0688efa982c8264