diff --git a/third_party/pigweed b/third_party/pigweed
index 16541e7..40a9c3f 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 16541e7699118f38b31f8dcd64cbfabe8d72c277
+Subproject commit 40a9c3f128f6a279d6aee6aef45705725689189a