diff --git a/third_party/pigweed b/third_party/pigweed
index 73ef002..97aecb2 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 73ef002b92f1710537635fdb38c59dc1073d025e
+Subproject commit 97aecb2d19d2df0a05b75b29f72848290d9bc388