diff --git a/third_party/pigweed b/third_party/pigweed
index 703588e..3919d96 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 703588e49635495138159e86bbed801d9e0e24bb
+Subproject commit 3919d9638b6454512595c8ad39fb8806d4ac9629