diff --git a/third_party/pigweed b/third_party/pigweed
index 9d5fa2a..1f9748d 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 9d5fa2aef16857bd225a1bfad12c8d66a7ad648d
+Subproject commit 1f9748d17b29edc615bf79c8bbf9b02cf5c0abd5