diff --git a/third_party/pigweed b/third_party/pigweed
index ff21b92..386a40b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit ff21b928c01c169ec6f097ce396f9da5940bff15
+Subproject commit 386a40b1ab0043a999a3e7903e7a3b48d91bb3f2