diff --git a/third_party/pigweed b/third_party/pigweed
index 9e90af3..188bd47 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 9e90af3746446e4aaaa0ccc5dd2079cf60d744a1
+Subproject commit 188bd4726e0eca3c7cad7fa8f7c8b76c1e12cc38