diff --git a/third_party/pigweed b/third_party/pigweed
index ea5e0d4..64c72ae 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit ea5e0d493a5e5d5152df779b9146e10f490df2bf
+Subproject commit 64c72ae0b36b0c254db2b62589399b37564a421a