diff --git a/third_party/pigweed b/third_party/pigweed
index 89c9045..ac388e7 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 89c90454a256760e39057a5044b3bba36bd2e60b
+Subproject commit ac388e7bdae6d03a816670bf845b44fefccf6bc2