diff --git a/third_party/pigweed/repo b/third_party/pigweed/repo
index 1f12d06f5133a9..c221c639957646 160000
--- a/third_party/pigweed/repo
+++ b/third_party/pigweed/repo
@@ -1 +1 @@
-Subproject commit 1f12d06f5133a9a471e0551e5f915dff80ee908c
+Subproject commit c221c639957646393332c6ae52a48331c2b96fad