diff --git a/third_party/pigweed/repo b/third_party/pigweed/repo
index 81460c6abb2e06..438c2a742cff99 160000
--- a/third_party/pigweed/repo
+++ b/third_party/pigweed/repo
@@ -1 +1 @@
-Subproject commit 81460c6abb2e068f27d44eca58640364793b133f
+Subproject commit 438c2a742cff99b8f7723cabee5d7d9b31902869