diff --git a/third_party/pigweed b/third_party/pigweed
index 789f3ef..81aad13 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 789f3ef5abc6b6efd82ef896020ada8ef177f6da
+Subproject commit 81aad1379cb7f230793d97aca25012476f07dde0