diff --git a/third_party/pigweed b/third_party/pigweed
index d55ec96..97bdfeb 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit d55ec9627e60afd1d592a1bb1d93e8ce091d565b
+Subproject commit 97bdfeb645a92f7d8a92d5ee0bddac90fa7f2e1b